Finding the Fourth Proportional to 2,302.40, 3,451.71 and 915.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,302.40 : 3,451.71 = 915.14 : x
2. Step 2: Convert to fraction form
   2,302.40/3,451.71 = 915.14/x
3. Step 3: Cross multiply
   2,302.40x = 3,451.71 × 915.14
4. Step 4: Simplify right side
   2,302.40x = 3,158,797.89
5. Step 5: Solve for x
   x = 3,158,797.89/2,302.40
6. Step 6: Final answer
   x = 1,371.96