Finding the Fourth Proportional to 1,732.72, 2,392.34 and 1,284.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,732.72 : 2,392.34 = 1,284.70 : x
2. Step 2: Convert to fraction form
   1,732.72/2,392.34 = 1,284.70/x
3. Step 3: Cross multiply
   1,732.72x = 2,392.34 × 1,284.70
4. Step 4: Simplify right side
   1,732.72x = 3,073,439.20
5. Step 5: Solve for x
   x = 3,073,439.20/1,732.72
6. Step 6: Final answer
   x = 1,773.77