Finding the Fourth Proportional to 8,002.88, 12,008.63 and 3,898.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,002.88 : 12,008.63 = 3,898.88 : x
2. Step 2: Convert to fraction form
   8,002.88/12,008.63 = 3,898.88/x
3. Step 3: Cross multiply
   8,002.88x = 12,008.63 × 3,898.88
4. Step 4: Simplify right side
   8,002.88x = 46,820,207.33
5. Step 5: Solve for x
   x = 46,820,207.33/8,002.88
6. Step 6: Final answer
   x = 5,850.42