Finding the Fourth Proportional to 2,995.75, 4,493.60 and 915.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,995.75 : 4,493.60 = 915.74 : x
2. Step 2: Convert to fraction form
   2,995.75/4,493.60 = 915.74/x
3. Step 3: Cross multiply
   2,995.75x = 4,493.60 × 915.74
4. Step 4: Simplify right side
   2,995.75x = 4,114,987.78
5. Step 5: Solve for x
   x = 4,114,987.78/2,995.75
6. Step 6: Final answer
   x = 1,373.61