Finding the Fourth Proportional to 73,200.18, 101,016.30 and 39,666.18

Step by Step Solution

1. Step 1: Write the proportion equation
   73,200.18 : 101,016.30 = 39,666.18 : x
2. Step 2: Convert to fraction form
   73,200.18/101,016.30 = 39,666.18/x
3. Step 3: Cross multiply
   73,200.18x = 101,016.30 × 39,666.18
4. Step 4: Simplify right side
   73,200.18x = 4,006,930,738.73
5. Step 5: Solve for x
   x = 4,006,930,738.73/73,200.18
6. Step 6: Final answer
   x = 54,739.36