Finding the Fourth Proportional to 124,592, 171,952.80 and 82,238.72

Step by Step Solution

1. Step 1: Write the proportion equation
   124,592 : 171,952.80 = 82,238.72 : x
2. Step 2: Convert to fraction form
   124,592/171,952.80 = 82,238.72/x
3. Step 3: Cross multiply
   124,592x = 171,952.80 × 82,238.72
4. Step 4: Simplify right side
   124,592x = 14,141,178,172.42
5. Step 5: Solve for x
   x = 14,141,178,172.42/124,592
6. Step 6: Final answer
   x = 113,499.89