Finding the Fourth Proportional to 10,948.38, 16,418.31 and 3,551.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,948.38 : 16,418.31 = 3,551.05 : x
2. Step 2: Convert to fraction form
   10,948.38/16,418.31 = 3,551.05/x
3. Step 3: Cross multiply
   10,948.38x = 16,418.31 × 3,551.05
4. Step 4: Simplify right side
   10,948.38x = 58,302,239.73
5. Step 5: Solve for x
   x = 58,302,239.73/10,948.38
6. Step 6: Final answer
   x = 5,325.19