Finding the Fourth Proportional to 158,535.06, 237,780.72 and 87,588.78

Step by Step Solution

1. Step 1: Write the proportion equation
   158,535.06 : 237,780.72 = 87,588.78 : x
2. Step 2: Convert to fraction form
   158,535.06/237,780.72 = 87,588.78/x
3. Step 3: Cross multiply
   158,535.06x = 237,780.72 × 87,588.78
4. Step 4: Simplify right side
   158,535.06x = 20,826,923,618.16
5. Step 5: Solve for x
   x = 20,826,923,618.16/158,535.06
6. Step 6: Final answer
   x = 131,371.09