Finding the Fourth Proportional to 12,264.31, 18,385.38 and 4,471.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,264.31 : 18,385.38 = 4,471.30 : x
2. Step 2: Convert to fraction form
   12,264.31/18,385.38 = 4,471.30/x
3. Step 3: Cross multiply
   12,264.31x = 18,385.38 × 4,471.30
4. Step 4: Simplify right side
   12,264.31x = 82,206,572.58
5. Step 5: Solve for x
   x = 82,206,572.58/12,264.31
6. Step 6: Final answer
   x = 6,702.91