Finding the Fourth Proportional to 7,152.54, 10,726.82 and 3,986.08

Step by Step Solution

1. Step 1: Write the proportion equation
   7,152.54 : 10,726.82 = 3,986.08 : x
2. Step 2: Convert to fraction form
   7,152.54/10,726.82 = 3,986.08/x
3. Step 3: Cross multiply
   7,152.54x = 10,726.82 × 3,986.08
4. Step 4: Simplify right side
   7,152.54x = 42,757,991.20
5. Step 5: Solve for x
   x = 42,757,991.20/7,152.54
6. Step 6: Final answer
   x = 5,978.01