Finding the Fourth Proportional to 9,819.25, 13,550.67 and 5,342.99

Step by Step Solution

1. Step 1: Write the proportion equation
   9,819.25 : 13,550.67 = 5,342.99 : x
2. Step 2: Convert to fraction form
   9,819.25/13,550.67 = 5,342.99/x
3. Step 3: Cross multiply
   9,819.25x = 13,550.67 × 5,342.99
4. Step 4: Simplify right side
   9,819.25x = 72,401,049.63
5. Step 5: Solve for x
   x = 72,401,049.63/9,819.25
6. Step 6: Final answer
   x = 7,373.38