Finding the Fourth Proportional to 14,002.57, 21,003.30 and 3,472.62

Step by Step Solution

1. Step 1: Write the proportion equation
   14,002.57 : 21,003.30 = 3,472.62 : x
2. Step 2: Convert to fraction form
   14,002.57/21,003.30 = 3,472.62/x
3. Step 3: Cross multiply
   14,002.57x = 21,003.30 × 3,472.62
4. Step 4: Simplify right side
   14,002.57x = 72,936,479.65
5. Step 5: Solve for x
   x = 72,936,479.65/14,002.57
6. Step 6: Final answer
   x = 5,208.79