Finding the Fourth Proportional to 9,710.50, 13,400.49 and 5,294.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,710.50 : 13,400.49 = 5,294.50 : x
2. Step 2: Convert to fraction form
   9,710.50/13,400.49 = 5,294.50/x
3. Step 3: Cross multiply
   9,710.50x = 13,400.49 × 5,294.50
4. Step 4: Simplify right side
   9,710.50x = 70,948,894.31
5. Step 5: Solve for x
   x = 70,948,894.31/9,710.50
6. Step 6: Final answer
   x = 7,306.41