Finding the Fourth Proportional to 2,592.55, 3,888.84 and 1,031.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,592.55 : 3,888.84 = 1,031.86 : x
2. Step 2: Convert to fraction form
   2,592.55/3,888.84 = 1,031.86/x
3. Step 3: Cross multiply
   2,592.55x = 3,888.84 × 1,031.86
4. Step 4: Simplify right side
   2,592.55x = 4,012,738.44
5. Step 5: Solve for x
   x = 4,012,738.44/2,592.55
6. Step 6: Final answer
   x = 1,547.80