Finding the Fourth Proportional to 10,948.63, 16,418.69 and 3,551.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,948.63 : 16,418.69 = 3,551.30 : x
2. Step 2: Convert to fraction form
   10,948.63/16,418.69 = 3,551.30/x
3. Step 3: Cross multiply
   10,948.63x = 16,418.69 × 3,551.30
4. Step 4: Simplify right side
   10,948.63x = 58,307,676.04
5. Step 5: Solve for x
   x = 58,307,676.04/10,948.63
6. Step 6: Final answer
   x = 5,325.57