Finding the Fourth Proportional to 1,254.96, 1,732.71 and 783.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,254.96 : 1,732.71 = 783.06 : x
2. Step 2: Convert to fraction form
   1,254.96/1,732.71 = 783.06/x
3. Step 3: Cross multiply
   1,254.96x = 1,732.71 × 783.06
4. Step 4: Simplify right side
   1,254.96x = 1,356,815.89
5. Step 5: Solve for x
   x = 1,356,815.89/1,254.96
6. Step 6: Final answer
   x = 1,081.16