Finding the Fourth Proportional to 10,870.38, 16,302.42 and 4,943.97

Step by Step Solution

1. Step 1: Write the proportion equation
   10,870.38 : 16,302.42 = 4,943.97 : x
2. Step 2: Convert to fraction form
   10,870.38/16,302.42 = 4,943.97/x
3. Step 3: Cross multiply
   10,870.38x = 16,302.42 × 4,943.97
4. Step 4: Simplify right side
   10,870.38x = 80,598,675.41
5. Step 5: Solve for x
   x = 80,598,675.41/10,870.38
6. Step 6: Final answer
   x = 7,414.52