Finding the Fourth Proportional to 1,710.10, 2,562.72 and 845.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,710.10 : 2,562.72 = 845.02 : x
2. Step 2: Convert to fraction form
   1,710.10/2,562.72 = 845.02/x
3. Step 3: Cross multiply
   1,710.10x = 2,562.72 × 845.02
4. Step 4: Simplify right side
   1,710.10x = 2,165,549.65
5. Step 5: Solve for x
   x = 2,165,549.65/1,710.10
6. Step 6: Final answer
   x = 1,266.33