Finding the Fourth Proportional to 147,856.32, 204,042.24 and 80,789.76

Step by Step Solution

1. Step 1: Write the proportion equation
   147,856.32 : 204,042.24 = 80,789.76 : x
2. Step 2: Convert to fraction form
   147,856.32/204,042.24 = 80,789.76/x
3. Step 3: Cross multiply
   147,856.32x = 204,042.24 × 80,789.76
4. Step 4: Simplify right side
   147,856.32x = 16,484,523,599.46
5. Step 5: Solve for x
   x = 16,484,523,599.46/147,856.32
6. Step 6: Final answer
   x = 111,490.15