Finding the Fourth Proportional to 2,385.24, 3,291.66 and 1,337.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,385.24 : 3,291.66 = 1,337.31 : x
2. Step 2: Convert to fraction form
   2,385.24/3,291.66 = 1,337.31/x
3. Step 3: Cross multiply
   2,385.24x = 3,291.66 × 1,337.31
4. Step 4: Simplify right side
   2,385.24x = 4,401,969.83
5. Step 5: Solve for x
   x = 4,401,969.83/2,385.24
6. Step 6: Final answer
   x = 1,845.50