Finding the Fourth Proportional to 12,565.92, 18,843.35 and 5,904.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,565.92 : 18,843.35 = 5,904.31 : x
2. Step 2: Convert to fraction form
   12,565.92/18,843.35 = 5,904.31/x
3. Step 3: Cross multiply
   12,565.92x = 18,843.35 × 5,904.31
4. Step 4: Simplify right side
   12,565.92x = 111,256,997.43
5. Step 5: Solve for x
   x = 111,256,997.43/12,565.92
6. Step 6: Final answer
   x = 8,853.87