Finding the Fourth Proportional to 2,476.41, 3,712.59 and 915.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,476.41 : 3,712.59 = 915.42 : x
2. Step 2: Convert to fraction form
   2,476.41/3,712.59 = 915.42/x
3. Step 3: Cross multiply
   2,476.41x = 3,712.59 × 915.42
4. Step 4: Simplify right side
   2,476.41x = 3,398,579.14
5. Step 5: Solve for x
   x = 3,398,579.14/2,476.41
6. Step 6: Final answer
   x = 1,372.38