Finding the Fourth Proportional to 9,819.83, 13,551.38 and 5,343.49

Step by Step Solution

1. Step 1: Write the proportion equation
   9,819.83 : 13,551.38 = 5,343.49 : x
2. Step 2: Convert to fraction form
   9,819.83/13,551.38 = 5,343.49/x
3. Step 3: Cross multiply
   9,819.83x = 13,551.38 × 5,343.49
4. Step 4: Simplify right side
   9,819.83x = 72,411,653.74
5. Step 5: Solve for x
   x = 72,411,653.74/9,819.83
6. Step 6: Final answer
   x = 7,374.02