Finding the Fourth Proportional to 5,325.30, 7,978.83 and 2,852.77

Step by Step Solution

1. Step 1: Write the proportion equation
   5,325.30 : 7,978.83 = 2,852.77 : x
2. Step 2: Convert to fraction form
   5,325.30/7,978.83 = 2,852.77/x
3. Step 3: Cross multiply
   5,325.30x = 7,978.83 × 2,852.77
4. Step 4: Simplify right side
   5,325.30x = 22,761,766.86
5. Step 5: Solve for x
   x = 22,761,766.86/5,325.30
6. Step 6: Final answer
   x = 4,274.27