Finding the Fourth Proportional to 73,200.72, 101,017.08 and 39,666.72

Step by Step Solution

1. Step 1: Write the proportion equation
   73,200.72 : 101,017.08 = 39,666.72 : x
2. Step 2: Convert to fraction form
   73,200.72/101,017.08 = 39,666.72/x
3. Step 3: Cross multiply
   73,200.72x = 101,017.08 × 39,666.72
4. Step 4: Simplify right side
   73,200.72x = 4,007,016,227.58
5. Step 5: Solve for x
   x = 4,007,016,227.58/73,200.72
6. Step 6: Final answer
   x = 54,740.12