Finding the Fourth Proportional to 10,219.86, 14,103.21 and 5,743.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,219.86 : 14,103.21 = 5,743.55 : x
2. Step 2: Convert to fraction form
   10,219.86/14,103.21 = 5,743.55/x
3. Step 3: Cross multiply
   10,219.86x = 14,103.21 × 5,743.55
4. Step 4: Simplify right side
   10,219.86x = 81,002,421.28
5. Step 5: Solve for x
   x = 81,002,421.28/10,219.86
6. Step 6: Final answer
   x = 7,925.98