Finding the Fourth Proportional to 2,402.74, 3,315.69 and 1,340.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,402.74 : 3,315.69 = 1,340.49 : x
2. Step 2: Convert to fraction form
   2,402.74/3,315.69 = 1,340.49/x
3. Step 3: Cross multiply
   2,402.74x = 3,315.69 × 1,340.49
4. Step 4: Simplify right side
   2,402.74x = 4,444,656.17
5. Step 5: Solve for x
   x = 4,444,656.17/2,402.74
6. Step 6: Final answer
   x = 1,849.83