Finding the Fourth Proportional to 2,592.07, 3,888.71 and 1,131.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,592.07 : 3,888.71 = 1,131.64 : x
2. Step 2: Convert to fraction form
   2,592.07/3,888.71 = 1,131.64/x
3. Step 3: Cross multiply
   2,592.07x = 3,888.71 × 1,131.64
4. Step 4: Simplify right side
   2,592.07x = 4,400,608.65
5. Step 5: Solve for x
   x = 4,400,608.65/2,592.07
6. Step 6: Final answer
   x = 1,697.72