Finding the Fourth Proportional to 7,147.88, 9,864.27 and 4,004.27

Step by Step Solution

1. Step 1: Write the proportion equation
   7,147.88 : 9,864.27 = 4,004.27 : x
2. Step 2: Convert to fraction form
   7,147.88/9,864.27 = 4,004.27/x
3. Step 3: Cross multiply
   7,147.88x = 9,864.27 × 4,004.27
4. Step 4: Simplify right side
   7,147.88x = 39,499,200.43
5. Step 5: Solve for x
   x = 39,499,200.43/7,147.88
6. Step 6: Final answer
   x = 5,526.00