Finding the Fourth Proportional to 158,738.18, 219,061.33 and 87,124.86

Step by Step Solution

1. Step 1: Write the proportion equation
   158,738.18 : 219,061.33 = 87,124.86 : x
2. Step 2: Convert to fraction form
   158,738.18/219,061.33 = 87,124.86/x
3. Step 3: Cross multiply
   158,738.18x = 219,061.33 × 87,124.86
4. Step 4: Simplify right side
   158,738.18x = 19,085,687,707.66
5. Step 5: Solve for x
   x = 19,085,687,707.66/158,738.18
6. Step 6: Final answer
   x = 120,233.76