Finding the Fourth Proportional to 123,699,540.12, 170,735,095.83 and 70,806,908.90

Step by Step Solution

1. Step 1: Write the proportion equation
   123,699,540.12 : 170,735,095.83 = 70,806,908.90 : x
2. Step 2: Convert to fraction form
   123,699,540.12/170,735,095.83 = 70,806,908.90/x
3. Step 3: Cross multiply
   123,699,540.12x = 170,735,095.83 × 70,806,908.90
4. Step 4: Simplify right side
   123,699,540.12x = 12,089,224,376,467,582
5. Step 5: Solve for x
   x = 12,089,224,376,467,582/123,699,540.12
6. Step 6: Final answer
   x = 97,730,552.31