Finding the Fourth Proportional to 78,872.52, 108,867.38 and 55,006.88

Step by Step Solution

1. Step 1: Write the proportion equation
   78,872.52 : 108,867.38 = 55,006.88 : x
2. Step 2: Convert to fraction form
   78,872.52/108,867.38 = 55,006.88/x
3. Step 3: Cross multiply
   78,872.52x = 108,867.38 × 55,006.88
4. Step 4: Simplify right side
   78,872.52x = 5,988,454,700.58
5. Step 5: Solve for x
   x = 5,988,454,700.58/78,872.52
6. Step 6: Final answer
   x = 75,925.75