Finding the Fourth Proportional to 7,449.57, 10,280.37 and 4,092.38

Step by Step Solution

1. Step 1: Write the proportion equation
   7,449.57 : 10,280.37 = 4,092.38 : x
2. Step 2: Convert to fraction form
   7,449.57/10,280.37 = 4,092.38/x
3. Step 3: Cross multiply
   7,449.57x = 10,280.37 × 4,092.38
4. Step 4: Simplify right side
   7,449.57x = 42,071,152.38
5. Step 5: Solve for x
   x = 42,071,152.38/7,449.57
6. Step 6: Final answer
   x = 5,647.46