Finding the Fourth Proportional to 1,510.21, 2,085.33 and 951.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,510.21 : 2,085.33 = 951.58 : x
2. Step 2: Convert to fraction form
   1,510.21/2,085.33 = 951.58/x
3. Step 3: Cross multiply
   1,510.21x = 2,085.33 × 951.58
4. Step 4: Simplify right side
   1,510.21x = 1,984,358.32
5. Step 5: Solve for x
   x = 1,984,358.32/1,510.21
6. Step 6: Final answer
   x = 1,313.96