Finding the Fourth Proportional to 10,868.76, 16,304.94 and 3,475.08

Step by Step Solution

1. Step 1: Write the proportion equation
   10,868.76 : 16,304.94 = 3,475.08 : x
2. Step 2: Convert to fraction form
   10,868.76/16,304.94 = 3,475.08/x
3. Step 3: Cross multiply
   10,868.76x = 16,304.94 × 3,475.08
4. Step 4: Simplify right side
   10,868.76x = 56,660,970.90
5. Step 5: Solve for x
   x = 56,660,970.90/10,868.76
6. Step 6: Final answer
   x = 5,213.20