Finding the Fourth Proportional to 73,300.95, 101,200.78 and 56,272.62

Step by Step Solution

1. Step 1: Write the proportion equation
   73,300.95 : 101,200.78 = 56,272.62 : x
2. Step 2: Convert to fraction form
   73,300.95/101,200.78 = 56,272.62/x
3. Step 3: Cross multiply
   73,300.95x = 101,200.78 × 56,272.62
4. Step 4: Simplify right side
   73,300.95x = 5,694,832,755.28
5. Step 5: Solve for x
   x = 5,694,832,755.28/73,300.95
6. Step 6: Final answer
   x = 77,691.12