Finding the Fourth Proportional to 12,275.52, 18,417.83 and 7,348.61

Step by Step Solution

1. Step 1: Write the proportion equation
   12,275.52 : 18,417.83 = 7,348.61 : x
2. Step 2: Convert to fraction form
   12,275.52/18,417.83 = 7,348.61/x
3. Step 3: Cross multiply
   12,275.52x = 18,417.83 × 7,348.61
4. Step 4: Simplify right side
   12,275.52x = 135,345,320.88
5. Step 5: Solve for x
   x = 135,345,320.88/12,275.52
6. Step 6: Final answer
   x = 11,025.63