Finding the Fourth Proportional to 1,927.98, 2,661.31 and 1,265.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,927.98 : 2,661.31 = 1,265.04 : x
2. Step 2: Convert to fraction form
   1,927.98/2,661.31 = 1,265.04/x
3. Step 3: Cross multiply
   1,927.98x = 2,661.31 × 1,265.04
4. Step 4: Simplify right side
   1,927.98x = 3,366,665.55
5. Step 5: Solve for x
   x = 3,366,665.55/1,927.98
6. Step 6: Final answer
   x = 1,746.22