Finding the Fourth Proportional to 2,079.16, 2,870.28 and 1,293.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,079.16 : 2,870.28 = 1,293.46 : x
2. Step 2: Convert to fraction form
   2,079.16/2,870.28 = 1,293.46/x
3. Step 3: Cross multiply
   2,079.16x = 2,870.28 × 1,293.46
4. Step 4: Simplify right side
   2,079.16x = 3,712,592.37
5. Step 5: Solve for x
   x = 3,712,592.37/2,079.16
6. Step 6: Final answer
   x = 1,785.62