Finding the Fourth Proportional to 1,724.77, 2,380.19 and 1,061.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,724.77 : 2,380.19 = 1,061.45 : x
2. Step 2: Convert to fraction form
   1,724.77/2,380.19 = 1,061.45/x
3. Step 3: Cross multiply
   1,724.77x = 2,380.19 × 1,061.45
4. Step 4: Simplify right side
   1,724.77x = 2,526,457.78
5. Step 5: Solve for x
   x = 2,526,457.78/1,724.77
6. Step 6: Final answer
   x = 1,464.81