Finding the Fourth Proportional to 127,824.98, 176,411.59 and 76,854.31

Step by Step Solution

1. Step 1: Write the proportion equation
   127,824.98 : 176,411.59 = 76,854.31 : x
2. Step 2: Convert to fraction form
   127,824.98/176,411.59 = 76,854.31/x
3. Step 3: Cross multiply
   127,824.98x = 176,411.59 × 76,854.31
4. Step 4: Simplify right side
   127,824.98x = 13,557,990,392.29
5. Step 5: Solve for x
   x = 13,557,990,392.29/127,824.98
6. Step 6: Final answer
   x = 106,066.83