Finding the Fourth Proportional to 73,471.86, 101,448.38 and 56,449.10

Step by Step Solution

1. Step 1: Write the proportion equation
   73,471.86 : 101,448.38 = 56,449.10 : x
2. Step 2: Convert to fraction form
   73,471.86/101,448.38 = 56,449.10/x
3. Step 3: Cross multiply
   73,471.86x = 101,448.38 × 56,449.10
4. Step 4: Simplify right side
   73,471.86x = 5,726,670,142.20
5. Step 5: Solve for x
   x = 5,726,670,142.20/73,471.86
6. Step 6: Final answer
   x = 77,943.72