Finding the Fourth Proportional to 7,061.28, 10,592.88 and 2,679.20

Step by Step Solution

1. Step 1: Write the proportion equation
   7,061.28 : 10,592.88 = 2,679.20 : x
2. Step 2: Convert to fraction form
   7,061.28/10,592.88 = 2,679.20/x
3. Step 3: Cross multiply
   7,061.28x = 10,592.88 × 2,679.20
4. Step 4: Simplify right side
   7,061.28x = 28,380,444.10
5. Step 5: Solve for x
   x = 28,380,444.10/7,061.28
6. Step 6: Final answer
   x = 4,019.16