Finding the Fourth Proportional to 2,474.47, 3,713.58 and 915.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,474.47 : 3,713.58 = 915.94 : x
2. Step 2: Convert to fraction form
   2,474.47/3,713.58 = 915.94/x
3. Step 3: Cross multiply
   2,474.47x = 3,713.58 × 915.94
4. Step 4: Simplify right side
   2,474.47x = 3,401,416.47
5. Step 5: Solve for x
   x = 3,401,416.47/2,474.47
6. Step 6: Final answer
   x = 1,374.60