Finding the Fourth Proportional to 14,111.74, 21,168.65 and 4,751.71

Step by Step Solution

1. Step 1: Write the proportion equation
   14,111.74 : 21,168.65 = 4,751.71 : x
2. Step 2: Convert to fraction form
   14,111.74/21,168.65 = 4,751.71/x
3. Step 3: Cross multiply
   14,111.74x = 21,168.65 × 4,751.71
4. Step 4: Simplify right side
   14,111.74x = 100,587,285.89
5. Step 5: Solve for x
   x = 100,587,285.89/14,111.74
6. Step 6: Final answer
   x = 7,127.92