Finding the Fourth Proportional to 12,137.52, 18,200.16 and 5,558.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,137.52 : 18,200.16 = 5,558.10 : x
2. Step 2: Convert to fraction form
   12,137.52/18,200.16 = 5,558.10/x
3. Step 3: Cross multiply
   12,137.52x = 18,200.16 × 5,558.10
4. Step 4: Simplify right side
   12,137.52x = 101,158,309.30
5. Step 5: Solve for x
   x = 101,158,309.30/12,137.52
6. Step 6: Final answer
   x = 8,334.35