Finding the Fourth Proportional to 2,824.52, 3,895.88 and 1,938.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,824.52 : 3,895.88 = 1,938.78 : x
2. Step 2: Convert to fraction form
   2,824.52/3,895.88 = 1,938.78/x
3. Step 3: Cross multiply
   2,824.52x = 3,895.88 × 1,938.78
4. Step 4: Simplify right side
   2,824.52x = 7,553,254.23
5. Step 5: Solve for x
   x = 7,553,254.23/2,824.52
6. Step 6: Final answer
   x = 2,674.18