Finding the Fourth Proportional to 2,955.57, 4,434.89 and 1,915.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,955.57 : 4,434.89 = 1,915.29 : x
2. Step 2: Convert to fraction form
   2,955.57/4,434.89 = 1,915.29/x
3. Step 3: Cross multiply
   2,955.57x = 4,434.89 × 1,915.29
4. Step 4: Simplify right side
   2,955.57x = 8,494,090.89
5. Step 5: Solve for x
   x = 8,494,090.89/2,955.57
6. Step 6: Final answer
   x = 2,873.93