Finding the Fourth Proportional to 88,890.06, 132,550.96 and 88,089.98

Step by Step Solution

1. Step 1: Write the proportion equation
   88,890.06 : 132,550.96 = 88,089.98 : x
2. Step 2: Convert to fraction form
   88,890.06/132,550.96 = 88,089.98/x
3. Step 3: Cross multiply
   88,890.06x = 132,550.96 × 88,089.98
4. Step 4: Simplify right side
   88,890.06x = 11,676,410,974.93
5. Step 5: Solve for x
   x = 11,676,410,974.93/88,890.06
6. Step 6: Final answer
   x = 131,357.89