Finding the Fourth Proportional to 14,111.67, 21,168.55 and 4,751.65

Step by Step Solution

1. Step 1: Write the proportion equation
   14,111.67 : 21,168.55 = 4,751.65 : x
2. Step 2: Convert to fraction form
   14,111.67/21,168.55 = 4,751.65/x
3. Step 3: Cross multiply
   14,111.67x = 21,168.55 × 4,751.65
4. Step 4: Simplify right side
   14,111.67x = 100,585,540.61
5. Step 5: Solve for x
   x = 100,585,540.61/14,111.67
6. Step 6: Final answer
   x = 7,127.83