Finding the Fourth Proportional to 2,592.39, 3,887.68 and 1,131.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,592.39 : 3,887.68 = 1,131.22 : x
2. Step 2: Convert to fraction form
   2,592.39/3,887.68 = 1,131.22/x
3. Step 3: Cross multiply
   2,592.39x = 3,887.68 × 1,131.22
4. Step 4: Simplify right side
   2,592.39x = 4,397,821.37
5. Step 5: Solve for x
   x = 4,397,821.37/2,592.39
6. Step 6: Final answer
   x = 1,696.44