Finding the Fourth Proportional to 2,852.72, 3,932.52 and 2,263.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,852.72 : 3,932.52 = 2,263.40 : x
2. Step 2: Convert to fraction form
   2,852.72/3,932.52 = 2,263.40/x
3. Step 3: Cross multiply
   2,852.72x = 3,932.52 × 2,263.40
4. Step 4: Simplify right side
   2,852.72x = 8,900,865.77
5. Step 5: Solve for x
   x = 8,900,865.77/2,852.72
6. Step 6: Final answer
   x = 3,120.13