Finding the Fourth Proportional to 2,399.76, 3,313.08 and 1,653.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399.76 : 3,313.08 = 1,653.48 : x
2. Step 2: Convert to fraction form
   2,399.76/3,313.08 = 1,653.48/x
3. Step 3: Cross multiply
   2,399.76x = 3,313.08 × 1,653.48
4. Step 4: Simplify right side
   2,399.76x = 5,478,111.52
5. Step 5: Solve for x
   x = 5,478,111.52/2,399.76
6. Step 6: Final answer
   x = 2,282.77