Finding the Fourth Proportional to 14,002.54, 21,007.91 and 4,142.08

Step by Step Solution

1. Step 1: Write the proportion equation
   14,002.54 : 21,007.91 = 4,142.08 : x
2. Step 2: Convert to fraction form
   14,002.54/21,007.91 = 4,142.08/x
3. Step 3: Cross multiply
   14,002.54x = 21,007.91 × 4,142.08
4. Step 4: Simplify right side
   14,002.54x = 87,016,443.85
5. Step 5: Solve for x
   x = 87,016,443.85/14,002.54
6. Step 6: Final answer
   x = 6,214.33