Finding the Fourth Proportional to 9,522.84, 13,139.82 and 5,330.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,522.84 : 13,139.82 = 5,330.28 : x
2. Step 2: Convert to fraction form
   9,522.84/13,139.82 = 5,330.28/x
3. Step 3: Cross multiply
   9,522.84x = 13,139.82 × 5,330.28
4. Step 4: Simplify right side
   9,522.84x = 70,038,919.75
5. Step 5: Solve for x
   x = 70,038,919.75/9,522.84
6. Step 6: Final answer
   x = 7,354.84