Finding the Fourth Proportional to 7,151.86, 9,870.06 and 4,008.25

Step by Step Solution

1. Step 1: Write the proportion equation
   7,151.86 : 9,870.06 = 4,008.25 : x
2. Step 2: Convert to fraction form
   7,151.86/9,870.06 = 4,008.25/x
3. Step 3: Cross multiply
   7,151.86x = 9,870.06 × 4,008.25
4. Step 4: Simplify right side
   7,151.86x = 39,561,668.00
5. Step 5: Solve for x
   x = 39,561,668.00/7,151.86
6. Step 6: Final answer
   x = 5,531.66