Finding the Fourth Proportional to 5,250.88, 7,240.20 and 3,922.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,250.88 : 7,240.20 = 3,922.34 : x
2. Step 2: Convert to fraction form
   5,250.88/7,240.20 = 3,922.34/x
3. Step 3: Cross multiply
   5,250.88x = 7,240.20 × 3,922.34
4. Step 4: Simplify right side
   5,250.88x = 28,398,526.07
5. Step 5: Solve for x
   x = 28,398,526.07/5,250.88
6. Step 6: Final answer
   x = 5,408.34