Finding the Fourth Proportional to 2,995.48, 4,493.78 and 915.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,995.48 : 4,493.78 = 915.25 : x
2. Step 2: Convert to fraction form
   2,995.48/4,493.78 = 915.25/x
3. Step 3: Cross multiply
   2,995.48x = 4,493.78 × 915.25
4. Step 4: Simplify right side
   2,995.48x = 4,112,932.15
5. Step 5: Solve for x
   x = 4,112,932.15/2,995.48
6. Step 6: Final answer
   x = 1,373.05