Finding the Fourth Proportional to 127,633.46, 176,188.69 and 90,863.41

Step by Step Solution

1. Step 1: Write the proportion equation
   127,633.46 : 176,188.69 = 90,863.41 : x
2. Step 2: Convert to fraction form
   127,633.46/176,188.69 = 90,863.41/x
3. Step 3: Cross multiply
   127,633.46x = 176,188.69 × 90,863.41
4. Step 4: Simplify right side
   127,633.46x = 16,009,105,176.83
5. Step 5: Solve for x
   x = 16,009,105,176.83/127,633.46
6. Step 6: Final answer
   x = 125,430.32