Finding the Fourth Proportional to 158,856.18, 238,233.79 and 52,215.53

Step by Step Solution

1. Step 1: Write the proportion equation
   158,856.18 : 238,233.79 = 52,215.53 : x
2. Step 2: Convert to fraction form
   158,856.18/238,233.79 = 52,215.53/x
3. Step 3: Cross multiply
   158,856.18x = 238,233.79 × 52,215.53
4. Step 4: Simplify right side
   158,856.18x = 12,439,502,287.05
5. Step 5: Solve for x
   x = 12,439,502,287.05/158,856.18
6. Step 6: Final answer
   x = 78,306.69