Finding the Fourth Proportional to 2,865.52, 3,956.34 and 1,790.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,865.52 : 3,956.34 = 1,790.43 : x
2. Step 2: Convert to fraction form
   2,865.52/3,956.34 = 1,790.43/x
3. Step 3: Cross multiply
   2,865.52x = 3,956.34 × 1,790.43
4. Step 4: Simplify right side
   2,865.52x = 7,083,549.83
5. Step 5: Solve for x
   x = 7,083,549.83/2,865.52
6. Step 6: Final answer
   x = 2,472.00