Finding the Fourth Proportional to 7,922.25, 10,934.15 and 5,090.49

Step by Step Solution

1. Step 1: Write the proportion equation
   7,922.25 : 10,934.15 = 5,090.49 : x
2. Step 2: Convert to fraction form
   7,922.25/10,934.15 = 5,090.49/x
3. Step 3: Cross multiply
   7,922.25x = 10,934.15 × 5,090.49
4. Step 4: Simplify right side
   7,922.25x = 55,660,155.78
5. Step 5: Solve for x
   x = 55,660,155.78/7,922.25
6. Step 6: Final answer
   x = 7,025.80