Finding the Fourth Proportional to 41,434.30, 62,160.45 and 15,139

Step by Step Solution

1. Step 1: Write the proportion equation
   41,434.30 : 62,160.45 = 15,139 : x
2. Step 2: Convert to fraction form
   41,434.30/62,160.45 = 15,139/x
3. Step 3: Cross multiply
   41,434.30x = 62,160.45 × 15,139
4. Step 4: Simplify right side
   41,434.30x = 941,047,052.55
5. Step 5: Solve for x
   x = 941,047,052.55/41,434.30
6. Step 6: Final answer
   x = 22,711.79