Finding the Fourth Proportional to 14,039.75, 21,053.04 and 5,152.86

Step by Step Solution

1. Step 1: Write the proportion equation
   14,039.75 : 21,053.04 = 5,152.86 : x
2. Step 2: Convert to fraction form
   14,039.75/21,053.04 = 5,152.86/x
3. Step 3: Cross multiply
   14,039.75x = 21,053.04 × 5,152.86
4. Step 4: Simplify right side
   14,039.75x = 108,483,367.69
5. Step 5: Solve for x
   x = 108,483,367.69/14,039.75
6. Step 6: Final answer
   x = 7,726.88