Finding the Fourth Proportional to 7,449.72, 10,280.22 and 4,092.96

Step by Step Solution

1. Step 1: Write the proportion equation
   7,449.72 : 10,280.22 = 4,092.96 : x
2. Step 2: Convert to fraction form
   7,449.72/10,280.22 = 4,092.96/x
3. Step 3: Cross multiply
   7,449.72x = 10,280.22 × 4,092.96
4. Step 4: Simplify right side
   7,449.72x = 42,076,529.25
5. Step 5: Solve for x
   x = 42,076,529.25/7,449.72
6. Step 6: Final answer
   x = 5,648.07