Finding the Fourth Proportional to 7,041.78, 10,559.25 and 2,659.59

Step by Step Solution

1. Step 1: Write the proportion equation
   7,041.78 : 10,559.25 = 2,659.59 : x
2. Step 2: Convert to fraction form
   7,041.78/10,559.25 = 2,659.59/x
3. Step 3: Cross multiply
   7,041.78x = 10,559.25 × 2,659.59
4. Step 4: Simplify right side
   7,041.78x = 28,083,275.71
5. Step 5: Solve for x
   x = 28,083,275.71/7,041.78
6. Step 6: Final answer
   x = 3,988.09