Finding the Fourth Proportional to 2,017.39, 3,026.63 and 1,152.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,017.39 : 3,026.63 = 1,152.31 : x
2. Step 2: Convert to fraction form
   2,017.39/3,026.63 = 1,152.31/x
3. Step 3: Cross multiply
   2,017.39x = 3,026.63 × 1,152.31
4. Step 4: Simplify right side
   2,017.39x = 3,487,616.02
5. Step 5: Solve for x
   x = 3,487,616.02/2,017.39
6. Step 6: Final answer
   x = 1,728.78