Finding the Fourth Proportional to 1,965.83, 2,713.10 and 1,126.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,965.83 : 2,713.10 = 1,126.61 : x
2. Step 2: Convert to fraction form
   1,965.83/2,713.10 = 1,126.61/x
3. Step 3: Cross multiply
   1,965.83x = 2,713.10 × 1,126.61
4. Step 4: Simplify right side
   1,965.83x = 3,056,586.39
5. Step 5: Solve for x
   x = 3,056,586.39/1,965.83
6. Step 6: Final answer
   x = 1,554.86