Finding the Fourth Proportional to 89,108.34, 133,330.30 and 88,111.84

Step by Step Solution

1. Step 1: Write the proportion equation
   89,108.34 : 133,330.30 = 88,111.84 : x
2. Step 2: Convert to fraction form
   89,108.34/133,330.30 = 88,111.84/x
3. Step 3: Cross multiply
   89,108.34x = 133,330.30 × 88,111.84
4. Step 4: Simplify right side
   89,108.34x = 11,747,978,060.75
5. Step 5: Solve for x
   x = 11,747,978,060.75/89,108.34
6. Step 6: Final answer
   x = 131,839.27