Finding the Fourth Proportional to 155,747.75, 233,610.69 and 88,978.64

Step by Step Solution

1. Step 1: Write the proportion equation
   155,747.75 : 233,610.69 = 88,978.64 : x
2. Step 2: Convert to fraction form
   155,747.75/233,610.69 = 88,978.64/x
3. Step 3: Cross multiply
   155,747.75x = 233,610.69 × 88,978.64
4. Step 4: Simplify right side
   155,747.75x = 20,786,361,485.66
5. Step 5: Solve for x
   x = 20,786,361,485.66/155,747.75
6. Step 6: Final answer
   x = 133,461.71