Finding the Fourth Proportional to 14,505.03, 21,753.50 and 5,143.86

Step by Step Solution

1. Step 1: Write the proportion equation
   14,505.03 : 21,753.50 = 5,143.86 : x
2. Step 2: Convert to fraction form
   14,505.03/21,753.50 = 5,143.86/x
3. Step 3: Cross multiply
   14,505.03x = 21,753.50 × 5,143.86
4. Step 4: Simplify right side
   14,505.03x = 111,896,932.79
5. Step 5: Solve for x
   x = 111,896,932.79/14,505.03
6. Step 6: Final answer
   x = 7,714.35