Finding the Fourth Proportional to 12,373.86, 18,565.65 and 5,443.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,373.86 : 18,565.65 = 5,443.50 : x
2. Step 2: Convert to fraction form
   12,373.86/18,565.65 = 5,443.50/x
3. Step 3: Cross multiply
   12,373.86x = 18,565.65 × 5,443.50
4. Step 4: Simplify right side
   12,373.86x = 101,062,115.78
5. Step 5: Solve for x
   x = 101,062,115.78/12,373.86
6. Step 6: Final answer
   x = 8,167.39