Finding the Fourth Proportional to 158,665.29, 238,060.17 and 69,856.50

Step by Step Solution

1. Step 1: Write the proportion equation
   158,665.29 : 238,060.17 = 69,856.50 : x
2. Step 2: Convert to fraction form
   158,665.29/238,060.17 = 69,856.50/x
3. Step 3: Cross multiply
   158,665.29x = 238,060.17 × 69,856.50
4. Step 4: Simplify right side
   158,665.29x = 16,630,050,265.61
5. Step 5: Solve for x
   x = 16,630,050,265.61/158,665.29
6. Step 6: Final answer
   x = 104,812.15