Finding the Fourth Proportional to 2,309.78, 3,462.24 and 1,663.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,309.78 : 3,462.24 = 1,663.40 : x
2. Step 2: Convert to fraction form
   2,309.78/3,462.24 = 1,663.40/x
3. Step 3: Cross multiply
   2,309.78x = 3,462.24 × 1,663.40
4. Step 4: Simplify right side
   2,309.78x = 5,759,090.02
5. Step 5: Solve for x
   x = 5,759,090.02/2,309.78
6. Step 6: Final answer
   x = 2,493.35