Finding the Fourth Proportional to 12,123.14, 16,726.32 and 7,344.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,123.14 : 16,726.32 = 7,344.86 : x
2. Step 2: Convert to fraction form
   12,123.14/16,726.32 = 7,344.86/x
3. Step 3: Cross multiply
   12,123.14x = 16,726.32 × 7,344.86
4. Step 4: Simplify right side
   12,123.14x = 122,852,478.72
5. Step 5: Solve for x
   x = 122,852,478.72/12,123.14
6. Step 6: Final answer
   x = 10,133.72