Finding the Fourth Proportional to 14,505.28, 21,753.93 and 5,144.05

Step by Step Solution

1. Step 1: Write the proportion equation
   14,505.28 : 21,753.93 = 5,144.05 : x
2. Step 2: Convert to fraction form
   14,505.28/21,753.93 = 5,144.05/x
3. Step 3: Cross multiply
   14,505.28x = 21,753.93 × 5,144.05
4. Step 4: Simplify right side
   14,505.28x = 111,903,303.62
5. Step 5: Solve for x
   x = 111,903,303.62/14,505.28
6. Step 6: Final answer
   x = 7,714.66