Finding the Fourth Proportional to 1,727.53, 2,384.52 and 1,639.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,727.53 : 2,384.52 = 1,639.35 : x
2. Step 2: Convert to fraction form
   1,727.53/2,384.52 = 1,639.35/x
3. Step 3: Cross multiply
   1,727.53x = 2,384.52 × 1,639.35
4. Step 4: Simplify right side
   1,727.53x = 3,909,062.86
5. Step 5: Solve for x
   x = 3,909,062.86/1,727.53
6. Step 6: Final answer
   x = 2,262.80