Finding the Fourth Proportional to 147,856.56, 204,042.24 and 80,788.56

Step by Step Solution

1. Step 1: Write the proportion equation
   147,856.56 : 204,042.24 = 80,788.56 : x
2. Step 2: Convert to fraction form
   147,856.56/204,042.24 = 80,788.56/x
3. Step 3: Cross multiply
   147,856.56x = 204,042.24 × 80,788.56
4. Step 4: Simplify right side
   147,856.56x = 16,484,278,748.77
5. Step 5: Solve for x
   x = 16,484,278,748.77/147,856.56
6. Step 6: Final answer
   x = 111,488.32