Finding the Fourth Proportional to 12,335.09, 18,508.71 and 5,760.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,335.09 : 18,508.71 = 5,760.32 : x
2. Step 2: Convert to fraction form
   12,335.09/18,508.71 = 5,760.32/x
3. Step 3: Cross multiply
   12,335.09x = 18,508.71 × 5,760.32
4. Step 4: Simplify right side
   12,335.09x = 106,616,092.39
5. Step 5: Solve for x
   x = 106,616,092.39/12,335.09
6. Step 6: Final answer
   x = 8,643.32