Finding the Fourth Proportional to 73,502.98, 101,491.25 and 56,480.39

Step by Step Solution

1. Step 1: Write the proportion equation
   73,502.98 : 101,491.25 = 56,480.39 : x
2. Step 2: Convert to fraction form
   73,502.98/101,491.25 = 56,480.39/x
3. Step 3: Cross multiply
   73,502.98x = 101,491.25 × 56,480.39
4. Step 4: Simplify right side
   73,502.98x = 5,732,264,972.32
5. Step 5: Solve for x
   x = 5,732,264,972.32/73,502.98
6. Step 6: Final answer
   x = 77,986.84