Finding the Fourth Proportional to 2,775.27, 3,830.32 and 2,031.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,775.27 : 3,830.32 = 2,031.29 : x
2. Step 2: Convert to fraction form
   2,775.27/3,830.32 = 2,031.29/x
3. Step 3: Cross multiply
   2,775.27x = 3,830.32 × 2,031.29
4. Step 4: Simplify right side
   2,775.27x = 7,780,490.71
5. Step 5: Solve for x
   x = 7,780,490.71/2,775.27
6. Step 6: Final answer
   x = 2,803.51