Finding the Fourth Proportional to 7,045.21, 10,561.33 and 2,659.33

Step by Step Solution

1. Step 1: Write the proportion equation
   7,045.21 : 10,561.33 = 2,659.33 : x
2. Step 2: Convert to fraction form
   7,045.21/10,561.33 = 2,659.33/x
3. Step 3: Cross multiply
   7,045.21x = 10,561.33 × 2,659.33
4. Step 4: Simplify right side
   7,045.21x = 28,086,061.71
5. Step 5: Solve for x
   x = 28,086,061.71/7,045.21
6. Step 6: Final answer
   x = 3,986.55