Finding the Fourth Proportional to 440,443.31, 660,522.80 and 124,815.47

Step by Step Solution

1. Step 1: Write the proportion equation
   440,443.31 : 660,522.80 = 124,815.47 : x
2. Step 2: Convert to fraction form
   440,443.31/660,522.80 = 124,815.47/x
3. Step 3: Cross multiply
   440,443.31x = 660,522.80 × 124,815.47
4. Step 4: Simplify right side
   440,443.31x = 82,443,463,727.72
5. Step 5: Solve for x
   x = 82,443,463,727.72/440,443.31
6. Step 6: Final answer
   x = 187,182.92