Finding the Fourth Proportional to 2,013.16, 3,019.02 and 915.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,013.16 : 3,019.02 = 915.52 : x
2. Step 2: Convert to fraction form
   2,013.16/3,019.02 = 915.52/x
3. Step 3: Cross multiply
   2,013.16x = 3,019.02 × 915.52
4. Step 4: Simplify right side
   2,013.16x = 2,763,973.19
5. Step 5: Solve for x
   x = 2,763,973.19/2,013.16
6. Step 6: Final answer
   x = 1,372.95