Finding the Fourth Proportional to 2,079.63, 2,870.37 and 1,283.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,079.63 : 2,870.37 = 1,283.13 : x
2. Step 2: Convert to fraction form
   2,079.63/2,870.37 = 1,283.13/x
3. Step 3: Cross multiply
   2,079.63x = 2,870.37 × 1,283.13
4. Step 4: Simplify right side
   2,079.63x = 3,683,057.86
5. Step 5: Solve for x
   x = 3,683,057.86/2,079.63
6. Step 6: Final answer
   x = 1,771.02