Finding the Fourth Proportional to 159,096.18, 219,553.56 and 87,480.82

Step by Step Solution

1. Step 1: Write the proportion equation
   159,096.18 : 219,553.56 = 87,480.82 : x
2. Step 2: Convert to fraction form
   159,096.18/219,553.56 = 87,480.82/x
3. Step 3: Cross multiply
   159,096.18x = 219,553.56 × 87,480.82
4. Step 4: Simplify right side
   159,096.18x = 19,206,723,927.55
5. Step 5: Solve for x
   x = 19,206,723,927.55/159,096.18
6. Step 6: Final answer
   x = 120,723.98