Finding the Fourth Proportional to 72,578,499.70, 108,718,450.35 and 36,696,925.30

Step by Step Solution

1. Step 1: Write the proportion equation
   72,578,499.70 : 108,718,450.35 = 36,696,925.30 : x
2. Step 2: Convert to fraction form
   72,578,499.70/108,718,450.35 = 36,696,925.30/x
3. Step 3: Cross multiply
   72,578,499.70x = 108,718,450.35 × 36,696,925.30
4. Step 4: Simplify right side
   72,578,499.70x = 3,989,632,851,225,708.50
5. Step 5: Solve for x
   x = 3,989,632,851,225,708.50/72,578,499.70
6. Step 6: Final answer
   x = 54,969,899.73