Finding the Fourth Proportional to 12,340.86, 18,514.07 and 5,763.45

Step by Step Solution

1. Step 1: Write the proportion equation
   12,340.86 : 18,514.07 = 5,763.45 : x
2. Step 2: Convert to fraction form
   12,340.86/18,514.07 = 5,763.45/x
3. Step 3: Cross multiply
   12,340.86x = 18,514.07 × 5,763.45
4. Step 4: Simplify right side
   12,340.86x = 106,704,978.96
5. Step 5: Solve for x
   x = 106,704,978.96/12,340.86
6. Step 6: Final answer
   x = 8,646.48