Finding the Fourth Proportional to 181,443.31, 250,397.19 and 99,767.32

Step by Step Solution

1. Step 1: Write the proportion equation
   181,443.31 : 250,397.19 = 99,767.32 : x
2. Step 2: Convert to fraction form
   181,443.31/250,397.19 = 99,767.32/x
3. Step 3: Cross multiply
   181,443.31x = 250,397.19 × 99,767.32
4. Step 4: Simplify right side
   181,443.31x = 24,981,456,581.83
5. Step 5: Solve for x
   x = 24,981,456,581.83/181,443.31
6. Step 6: Final answer
   x = 137,681.88