Finding the Fourth Proportional to 10,789.02, 16,201.35 and 8,156.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,789.02 : 16,201.35 = 8,156.52 : x
2. Step 2: Convert to fraction form
   10,789.02/16,201.35 = 8,156.52/x
3. Step 3: Cross multiply
   10,789.02x = 16,201.35 × 8,156.52
4. Step 4: Simplify right side
   10,789.02x = 132,146,635.30
5. Step 5: Solve for x
   x = 132,146,635.30/10,789.02
6. Step 6: Final answer
   x = 12,248.25