Finding the Fourth Proportional to 12,261.83, 18,397.63 and 5,601.47

Step by Step Solution

1. Step 1: Write the proportion equation
   12,261.83 : 18,397.63 = 5,601.47 : x
2. Step 2: Convert to fraction form
   12,261.83/18,397.63 = 5,601.47/x
3. Step 3: Cross multiply
   12,261.83x = 18,397.63 × 5,601.47
4. Step 4: Simplify right side
   12,261.83x = 103,053,687.53
5. Step 5: Solve for x
   x = 103,053,687.53/12,261.83
6. Step 6: Final answer
   x = 8,404.43