Finding the Fourth Proportional to 1,719.74, 2,573.40 and 1,491.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,719.74 : 2,573.40 = 1,491.32 : x
2. Step 2: Convert to fraction form
   1,719.74/2,573.40 = 1,491.32/x
3. Step 3: Cross multiply
   1,719.74x = 2,573.40 × 1,491.32
4. Step 4: Simplify right side
   1,719.74x = 3,837,762.89
5. Step 5: Solve for x
   x = 3,837,762.89/1,719.74
6. Step 6: Final answer
   x = 2,231.59