Finding the Fourth Proportional to 1,301.17, 1,796.28 and 883.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,301.17 : 1,796.28 = 883.73 : x
2. Step 2: Convert to fraction form
   1,301.17/1,796.28 = 883.73/x
3. Step 3: Cross multiply
   1,301.17x = 1,796.28 × 883.73
4. Step 4: Simplify right side
   1,301.17x = 1,587,426.52
5. Step 5: Solve for x
   x = 1,587,426.52/1,301.17
6. Step 6: Final answer
   x = 1,220.00