Finding the Fourth Proportional to 73,080.18, 109,654.10 and 39,760.56

Step by Step Solution

1. Step 1: Write the proportion equation
   73,080.18 : 109,654.10 = 39,760.56 : x
2. Step 2: Convert to fraction form
   73,080.18/109,654.10 = 39,760.56/x
3. Step 3: Cross multiply
   73,080.18x = 109,654.10 × 39,760.56
4. Step 4: Simplify right side
   73,080.18x = 4,359,908,223.49
5. Step 5: Solve for x
   x = 4,359,908,223.49/73,080.18
6. Step 6: Final answer
   x = 59,659.24