Finding the Fourth Proportional to 1,701.57, 2,553.57 and 728.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,701.57 : 2,553.57 = 728.37 : x
2. Step 2: Convert to fraction form
   1,701.57/2,553.57 = 728.37/x
3. Step 3: Cross multiply
   1,701.57x = 2,553.57 × 728.37
4. Step 4: Simplify right side
   1,701.57x = 1,859,943.78
5. Step 5: Solve for x
   x = 1,859,943.78/1,701.57
6. Step 6: Final answer
   x = 1,093.08