Finding the Fourth Proportional to 1,864.28, 2,798.86 and 1,250.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,864.28 : 2,798.86 = 1,250.73 : x
2. Step 2: Convert to fraction form
   1,864.28/2,798.86 = 1,250.73/x
3. Step 3: Cross multiply
   1,864.28x = 2,798.86 × 1,250.73
4. Step 4: Simplify right side
   1,864.28x = 3,500,618.17
5. Step 5: Solve for x
   x = 3,500,618.17/1,864.28
6. Step 6: Final answer
   x = 1,877.73