Finding the Fourth Proportional to 1,711.23, 2,565.42 and 1,491.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,711.23 : 2,565.42 = 1,491.31 : x
2. Step 2: Convert to fraction form
   1,711.23/2,565.42 = 1,491.31/x
3. Step 3: Cross multiply
   1,711.23x = 2,565.42 × 1,491.31
4. Step 4: Simplify right side
   1,711.23x = 3,825,842.50
5. Step 5: Solve for x
   x = 3,825,842.50/1,711.23
6. Step 6: Final answer
   x = 2,235.73