Finding the Fourth Proportional to 1,747.45, 2,617.72 and 1,131.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,747.45 : 2,617.72 = 1,131.59 : x
2. Step 2: Convert to fraction form
   1,747.45/2,617.72 = 1,131.59/x
3. Step 3: Cross multiply
   1,747.45x = 2,617.72 × 1,131.59
4. Step 4: Simplify right side
   1,747.45x = 2,962,186.70
5. Step 5: Solve for x
   x = 2,962,186.70/1,747.45
6. Step 6: Final answer
   x = 1,695.15