Finding the Fourth Proportional to 155,747.50, 233,610.32 and 88,978.39

Step by Step Solution

1. Step 1: Write the proportion equation
   155,747.50 : 233,610.32 = 88,978.39 : x
2. Step 2: Convert to fraction form
   155,747.50/233,610.32 = 88,978.39/x
3. Step 3: Cross multiply
   155,747.50x = 233,610.32 × 88,978.39
4. Step 4: Simplify right side
   155,747.50x = 20,786,269,132.07
5. Step 5: Solve for x
   x = 20,786,269,132.07/155,747.50
6. Step 6: Final answer
   x = 133,461.34