Finding the Fourth Proportional to 8,253.53, 12,385.31 and 3,574.77

Step by Step Solution

1. Step 1: Write the proportion equation
   8,253.53 : 12,385.31 = 3,574.77 : x
2. Step 2: Convert to fraction form
   8,253.53/12,385.31 = 3,574.77/x
3. Step 3: Cross multiply
   8,253.53x = 12,385.31 × 3,574.77
4. Step 4: Simplify right side
   8,253.53x = 44,274,570.31
5. Step 5: Solve for x
   x = 44,274,570.31/8,253.53
6. Step 6: Final answer
   x = 5,364.32