Finding the Fourth Proportional to 12,434.02, 18,641.71 and 7,502.49

Step by Step Solution

1. Step 1: Write the proportion equation
   12,434.02 : 18,641.71 = 7,502.49 : x
2. Step 2: Convert to fraction form
   12,434.02/18,641.71 = 7,502.49/x
3. Step 3: Cross multiply
   12,434.02x = 18,641.71 × 7,502.49
4. Step 4: Simplify right side
   12,434.02x = 139,859,242.86
5. Step 5: Solve for x
   x = 139,859,242.86/12,434.02
6. Step 6: Final answer
   x = 11,248.11