Finding the Fourth Proportional to 10,949.16, 16,424.54 and 3,554.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,949.16 : 16,424.54 = 3,554.80 : x
2. Step 2: Convert to fraction form
   10,949.16/16,424.54 = 3,554.80/x
3. Step 3: Cross multiply
   10,949.16x = 16,424.54 × 3,554.80
4. Step 4: Simplify right side
   10,949.16x = 58,385,954.79
5. Step 5: Solve for x
   x = 58,385,954.79/10,949.16
6. Step 6: Final answer
   x = 5,332.46