Finding the Fourth Proportional to 12,434.52, 18,642.47 and 7,503

Step by Step Solution

1. Step 1: Write the proportion equation
   12,434.52 : 18,642.47 = 7,503 : x
2. Step 2: Convert to fraction form
   12,434.52/18,642.47 = 7,503/x
3. Step 3: Cross multiply
   12,434.52x = 18,642.47 × 7,503
4. Step 4: Simplify right side
   12,434.52x = 139,874,414.90
5. Step 5: Solve for x
   x = 139,874,414.90/12,434.52
6. Step 6: Final answer
   x = 11,248.88