Finding the Fourth Proportional to 14,229.86, 19,637.70 and 7,943.42

Step by Step Solution

1. Step 1: Write the proportion equation
   14,229.86 : 19,637.70 = 7,943.42 : x
2. Step 2: Convert to fraction form
   14,229.86/19,637.70 = 7,943.42/x
3. Step 3: Cross multiply
   14,229.86x = 19,637.70 × 7,943.42
4. Step 4: Simplify right side
   14,229.86x = 155,990,498.93
5. Step 5: Solve for x
   x = 155,990,498.93/14,229.86
6. Step 6: Final answer
   x = 10,962.19