Finding the Fourth Proportional to 158,763.88, 219,096.98 and 87,150.56

Step by Step Solution

1. Step 1: Write the proportion equation
   158,763.88 : 219,096.98 = 87,150.56 : x
2. Step 2: Convert to fraction form
   158,763.88/219,096.98 = 87,150.56/x
3. Step 3: Cross multiply
   158,763.88x = 219,096.98 × 87,150.56
4. Step 4: Simplify right side
   158,763.88x = 19,094,424,501.31
5. Step 5: Solve for x
   x = 19,094,424,501.31/158,763.88
6. Step 6: Final answer
   x = 120,269.32