Finding the Fourth Proportional to 10,948.88, 16,419.06 and 3,551.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,948.88 : 16,419.06 = 3,551.55 : x
2. Step 2: Convert to fraction form
   10,948.88/16,419.06 = 3,551.55/x
3. Step 3: Cross multiply
   10,948.88x = 16,419.06 × 3,551.55
4. Step 4: Simplify right side
   10,948.88x = 58,313,112.54
5. Step 5: Solve for x
   x = 58,313,112.54/10,948.88
6. Step 6: Final answer
   x = 5,325.94