Finding the Fourth Proportional to 1,732.56, 2,390.72 and 1,266

Step by Step Solution

1. Step 1: Write the proportion equation
   1,732.56 : 2,390.72 = 1,266 : x
2. Step 2: Convert to fraction form
   1,732.56/2,390.72 = 1,266/x
3. Step 3: Cross multiply
   1,732.56x = 2,390.72 × 1,266
4. Step 4: Simplify right side
   1,732.56x = 3,026,651.52
5. Step 5: Solve for x
   x = 3,026,651.52/1,732.56
6. Step 6: Final answer
   x = 1,746.92