Finding the Fourth Proportional to 1,510.90, 2,085.10 and 951.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,510.90 : 2,085.10 = 951.30 : x
2. Step 2: Convert to fraction form
   1,510.90/2,085.10 = 951.30/x
3. Step 3: Cross multiply
   1,510.90x = 2,085.10 × 951.30
4. Step 4: Simplify right side
   1,510.90x = 1,983,555.63
5. Step 5: Solve for x
   x = 1,983,555.63/1,510.90
6. Step 6: Final answer
   x = 1,312.83