Finding the Fourth Proportional to 155,810.99, 233,843.15 and 88,385.78

Step by Step Solution

1. Step 1: Write the proportion equation
   155,810.99 : 233,843.15 = 88,385.78 : x
2. Step 2: Convert to fraction form
   155,810.99/233,843.15 = 88,385.78/x
3. Step 3: Cross multiply
   155,810.99x = 233,843.15 × 88,385.78
4. Step 4: Simplify right side
   155,810.99x = 20,668,410,015.98
5. Step 5: Solve for x
   x = 20,668,410,015.98/155,810.99
6. Step 6: Final answer
   x = 132,650.53