Finding the Fourth Proportional to 1,710.30, 2,566.46 and 723.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,710.30 : 2,566.46 = 723.05 : x
2. Step 2: Convert to fraction form
   1,710.30/2,566.46 = 723.05/x
3. Step 3: Cross multiply
   1,710.30x = 2,566.46 × 723.05
4. Step 4: Simplify right side
   1,710.30x = 1,855,678.90
5. Step 5: Solve for x
   x = 1,855,678.90/1,710.30
6. Step 6: Final answer
   x = 1,085.00