Finding the Fourth Proportional to 10,870.38, 16,304.19 and 3,474.23

Step by Step Solution

1. Step 1: Write the proportion equation
   10,870.38 : 16,304.19 = 3,474.23 : x
2. Step 2: Convert to fraction form
   10,870.38/16,304.19 = 3,474.23/x
3. Step 3: Cross multiply
   10,870.38x = 16,304.19 × 3,474.23
4. Step 4: Simplify right side
   10,870.38x = 56,644,424.50
5. Step 5: Solve for x
   x = 56,644,424.50/10,870.38
6. Step 6: Final answer
   x = 5,210.90