Finding the Fourth Proportional to 1,510.62, 2,085.27 and 1,013.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,510.62 : 2,085.27 = 1,013.10 : x
2. Step 2: Convert to fraction form
   1,510.62/2,085.27 = 1,013.10/x
3. Step 3: Cross multiply
   1,510.62x = 2,085.27 × 1,013.10
4. Step 4: Simplify right side
   1,510.62x = 2,112,587.04
5. Step 5: Solve for x
   x = 2,112,587.04/1,510.62
6. Step 6: Final answer
   x = 1,398.49