Finding the Fourth Proportional to 8,003.52, 12,002.85 and 4,107.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,003.52 : 12,002.85 = 4,107.42 : x
2. Step 2: Convert to fraction form
   8,003.52/12,002.85 = 4,107.42/x
3. Step 3: Cross multiply
   8,003.52x = 12,002.85 × 4,107.42
4. Step 4: Simplify right side
   8,003.52x = 49,300,746.15
5. Step 5: Solve for x
   x = 49,300,746.15/8,003.52
6. Step 6: Final answer
   x = 6,159.88