Finding the Fourth Proportional to 9,819.16, 13,550.49 and 5,342.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,819.16 : 13,550.49 = 5,342.94 : x
2. Step 2: Convert to fraction form
   9,819.16/13,550.49 = 5,342.94/x
3. Step 3: Cross multiply
   9,819.16x = 13,550.49 × 5,342.94
4. Step 4: Simplify right side
   9,819.16x = 72,399,455.04
5. Step 5: Solve for x
   x = 72,399,455.04/9,819.16
6. Step 6: Final answer
   x = 7,373.28