Finding the Fourth Proportional to 2,014.29, 3,020.51 and 1,310.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,014.29 : 3,020.51 = 1,310.81 : x
2. Step 2: Convert to fraction form
   2,014.29/3,020.51 = 1,310.81/x
3. Step 3: Cross multiply
   2,014.29x = 3,020.51 × 1,310.81
4. Step 4: Simplify right side
   2,014.29x = 3,959,302.89
5. Step 5: Solve for x
   x = 3,959,302.89/2,014.29
6. Step 6: Final answer
   x = 1,965.61