Finding the Fourth Proportional to 7,449.90, 10,280.25 and 4,092.54

Step by Step Solution

1. Step 1: Write the proportion equation
   7,449.90 : 10,280.25 = 4,092.54 : x
2. Step 2: Convert to fraction form
   7,449.90/10,280.25 = 4,092.54/x
3. Step 3: Cross multiply
   7,449.90x = 10,280.25 × 4,092.54
4. Step 4: Simplify right side
   7,449.90x = 42,072,334.34
5. Step 5: Solve for x
   x = 42,072,334.34/7,449.90
6. Step 6: Final answer
   x = 5,647.37