Finding the Fourth Proportional to 83,457,656.72, 125,098,130.16 and 28,072,766.24

Step by Step Solution

1. Step 1: Write the proportion equation
   83,457,656.72 : 125,098,130.16 = 28,072,766.24 : x
2. Step 2: Convert to fraction form
   83,457,656.72/125,098,130.16 = 28,072,766.24/x
3. Step 3: Cross multiply
   83,457,656.72x = 125,098,130.16 × 28,072,766.24
4. Step 4: Simplify right side
   83,457,656.72x = 3,511,850,565,042,773.50
5. Step 5: Solve for x
   x = 3,511,850,565,042,773.50/83,457,656.72
6. Step 6: Final answer
   x = 42,079,429.29