Finding the Fourth Proportional to 124,565.69, 171,823.83 and 88,767.20

Step by Step Solution

1. Step 1: Write the proportion equation
   124,565.69 : 171,823.83 = 88,767.20 : x
2. Step 2: Convert to fraction form
   124,565.69/171,823.83 = 88,767.20/x
3. Step 3: Cross multiply
   124,565.69x = 171,823.83 × 88,767.20
4. Step 4: Simplify right side
   124,565.69x = 15,252,320,282.38
5. Step 5: Solve for x
   x = 15,252,320,282.38/124,565.69
6. Step 6: Final answer
   x = 122,443.99