Finding the Fourth Proportional to 10,922.90, 16,380.20 and 3,526.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,922.90 : 16,380.20 = 3,526.25 : x
2. Step 2: Convert to fraction form
   10,922.90/16,380.20 = 3,526.25/x
3. Step 3: Cross multiply
   10,922.90x = 16,380.20 × 3,526.25
4. Step 4: Simplify right side
   10,922.90x = 57,760,580.72
5. Step 5: Solve for x
   x = 57,760,580.72/10,922.90
6. Step 6: Final answer
   x = 5,288.03