Finding the Fourth Proportional to 2,402.49, 3,315.32 and 1,340.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,402.49 : 3,315.32 = 1,340.37 : x
2. Step 2: Convert to fraction form
   2,402.49/3,315.32 = 1,340.37/x
3. Step 3: Cross multiply
   2,402.49x = 3,315.32 × 1,340.37
4. Step 4: Simplify right side
   2,402.49x = 4,443,748.77
5. Step 5: Solve for x
   x = 4,443,748.77/2,402.49
6. Step 6: Final answer
   x = 1,849.64