Finding the Fourth Proportional to 12,559.52, 18,827.76 and 5,630.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,559.52 : 18,827.76 = 5,630.24 : x
2. Step 2: Convert to fraction form
   12,559.52/18,827.76 = 5,630.24/x
3. Step 3: Cross multiply
   12,559.52x = 18,827.76 × 5,630.24
4. Step 4: Simplify right side
   12,559.52x = 106,004,807.46
5. Step 5: Solve for x
   x = 106,004,807.46/12,559.52
6. Step 6: Final answer
   x = 8,440.20