Finding the Fourth Proportional to 2,073.33, 2,861.42 and 1,276.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,073.33 : 2,861.42 = 1,276.61 : x
2. Step 2: Convert to fraction form
   2,073.33/2,861.42 = 1,276.61/x
3. Step 3: Cross multiply
   2,073.33x = 2,861.42 × 1,276.61
4. Step 4: Simplify right side
   2,073.33x = 3,652,896.70
5. Step 5: Solve for x
   x = 3,652,896.70/2,073.33
6. Step 6: Final answer
   x = 1,761.85