Finding the Fourth Proportional to 7,449.02, 10,279.89 and 4,092.02

Step by Step Solution

1. Step 1: Write the proportion equation
   7,449.02 : 10,279.89 = 4,092.02 : x
2. Step 2: Convert to fraction form
   7,449.02/10,279.89 = 4,092.02/x
3. Step 3: Cross multiply
   7,449.02x = 10,279.89 × 4,092.02
4. Step 4: Simplify right side
   7,449.02x = 42,065,515.48
5. Step 5: Solve for x
   x = 42,065,515.48/7,449.02
6. Step 6: Final answer
   x = 5,647.12