Finding the Fourth Proportional to 1,724.29, 2,379.65 and 1,061.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,724.29 : 2,379.65 = 1,061.37 : x
2. Step 2: Convert to fraction form
   1,724.29/2,379.65 = 1,061.37/x
3. Step 3: Cross multiply
   1,724.29x = 2,379.65 × 1,061.37
4. Step 4: Simplify right side
   1,724.29x = 2,525,683.81
5. Step 5: Solve for x
   x = 2,525,683.81/1,724.29
6. Step 6: Final answer
   x = 1,464.77