Finding the Fourth Proportional to 2,359,663,858,101.50, 3,256,301,469,072.80 and 1,317,989,896,645.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,359,663,858,101.50 : 3,256,301,469,072.80 = 1,317,989,896,645.10 : x
2. Step 2: Convert to fraction form
   2,359,663,858,101.50/3,256,301,469,072.80 = 1,317,989,896,645.10/x
3. Step 3: Cross multiply
   2,359,663,858,101.50x = 3,256,301,469,072.80 × 1,317,989,896,645.10
4. Step 4: Simplify right side
   2,359,663,858,101.50x = 4,291,772,436,668,547,101,360,128
5. Step 5: Solve for x
   x = 4,291,772,436,668,547,101,360,128/2,359,663,858,101.50
6. Step 6: Final answer
   x = 1,818,806,700,765.23