Finding the Fourth Proportional to 1,710.59, 2,563.25 and 1,191.65

Step by Step Solution

1. Step 1: Write the proportion equation
   1,710.59 : 2,563.25 = 1,191.65 : x
2. Step 2: Convert to fraction form
   1,710.59/2,563.25 = 1,191.65/x
3. Step 3: Cross multiply
   1,710.59x = 2,563.25 × 1,191.65
4. Step 4: Simplify right side
   1,710.59x = 3,054,478.09
5. Step 5: Solve for x
   x = 3,054,478.09/1,710.59
6. Step 6: Final answer
   x = 1,785.63