Finding the Fourth Proportional to 13,284.05, 19,928.52 and 5,493.47

Step by Step Solution

1. Step 1: Write the proportion equation
   13,284.05 : 19,928.52 = 5,493.47 : x
2. Step 2: Convert to fraction form
   13,284.05/19,928.52 = 5,493.47/x
3. Step 3: Cross multiply
   13,284.05x = 19,928.52 × 5,493.47
4. Step 4: Simplify right side
   13,284.05x = 109,476,627.12
5. Step 5: Solve for x
   x = 109,476,627.12/13,284.05
6. Step 6: Final answer
   x = 8,241.21