Finding the Fourth Proportional to 7,449.67, 10,280.63 and 4,092.56

Step by Step Solution

1. Step 1: Write the proportion equation
   7,449.67 : 10,280.63 = 4,092.56 : x
2. Step 2: Convert to fraction form
   7,449.67/10,280.63 = 4,092.56/x
3. Step 3: Cross multiply
   7,449.67x = 10,280.63 × 4,092.56
4. Step 4: Simplify right side
   7,449.67x = 42,074,074.65
5. Step 5: Solve for x
   x = 42,074,074.65/7,449.67
6. Step 6: Final answer
   x = 5,647.78