Finding the Fourth Proportional to 72,250.56, 99,739.86 and 54,352.38

Step by Step Solution

1. Step 1: Write the proportion equation
   72,250.56 : 99,739.86 = 54,352.38 : x
2. Step 2: Convert to fraction form
   72,250.56/99,739.86 = 54,352.38/x
3. Step 3: Cross multiply
   72,250.56x = 99,739.86 × 54,352.38
4. Step 4: Simplify right side
   72,250.56x = 5,421,098,771.87
5. Step 5: Solve for x
   x = 5,421,098,771.87/72,250.56
6. Step 6: Final answer
   x = 75,031.93