Finding the Fourth Proportional to 158,768.88, 219,103.56 and 87,155.52

Step by Step Solution

1. Step 1: Write the proportion equation
   158,768.88 : 219,103.56 = 87,155.52 : x
2. Step 2: Convert to fraction form
   158,768.88/219,103.56 = 87,155.52/x
3. Step 3: Cross multiply
   158,768.88x = 219,103.56 × 87,155.52
4. Step 4: Simplify right side
   158,768.88x = 19,096,084,705.65
5. Step 5: Solve for x
   x = 19,096,084,705.65/158,768.88
6. Step 6: Final answer
   x = 120,275.99