Finding the Fourth Proportional to 2,995.81, 4,494.45 and 915.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,995.81 : 4,494.45 = 915.85 : x
2. Step 2: Convert to fraction form
   2,995.81/4,494.45 = 915.85/x
3. Step 3: Cross multiply
   2,995.81x = 4,494.45 × 915.85
4. Step 4: Simplify right side
   2,995.81x = 4,116,242.03
5. Step 5: Solve for x
   x = 4,116,242.03/2,995.81
6. Step 6: Final answer
   x = 1,374.00