Finding the Fourth Proportional to 14,503.86, 21,752.79 and 5,144.18

Step by Step Solution

1. Step 1: Write the proportion equation
   14,503.86 : 21,752.79 = 5,144.18 : x
2. Step 2: Convert to fraction form
   14,503.86/21,752.79 = 5,144.18/x
3. Step 3: Cross multiply
   14,503.86x = 21,752.79 × 5,144.18
4. Step 4: Simplify right side
   14,503.86x = 111,900,267.26
5. Step 5: Solve for x
   x = 111,900,267.26/14,503.86
6. Step 6: Final answer
   x = 7,715.21