Finding the Fourth Proportional to 7,449.75, 10,280.82 and 4,092.57

Step by Step Solution

1. Step 1: Write the proportion equation
   7,449.75 : 10,280.82 = 4,092.57 : x
2. Step 2: Convert to fraction form
   7,449.75/10,280.82 = 4,092.57/x
3. Step 3: Cross multiply
   7,449.75x = 10,280.82 × 4,092.57
4. Step 4: Simplify right side
   7,449.75x = 42,074,975.51
5. Step 5: Solve for x
   x = 42,074,975.51/7,449.75
6. Step 6: Final answer
   x = 5,647.84