Finding the Fourth Proportional to 158,682.52, 218,974.62 and 87,061.06

Step by Step Solution

1. Step 1: Write the proportion equation
   158,682.52 : 218,974.62 = 87,061.06 : x
2. Step 2: Convert to fraction form
   158,682.52/218,974.62 = 87,061.06/x
3. Step 3: Cross multiply
   158,682.52x = 218,974.62 × 87,061.06
4. Step 4: Simplify right side
   158,682.52x = 19,064,162,530.30
5. Step 5: Solve for x
   x = 19,064,162,530.30/158,682.52
6. Step 6: Final answer
   x = 120,140.28