Finding the Fourth Proportional to 1,733.72, 2,393.72 and 1,285.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,733.72 : 2,393.72 = 1,285.70 : x
2. Step 2: Convert to fraction form
   1,733.72/2,393.72 = 1,285.70/x
3. Step 3: Cross multiply
   1,733.72x = 2,393.72 × 1,285.70
4. Step 4: Simplify right side
   1,733.72x = 3,077,605.80
5. Step 5: Solve for x
   x = 3,077,605.80/1,733.72
6. Step 6: Final answer
   x = 1,775.15