Finding the Fourth Proportional to 7,284.78, 10,933.25 and 5,412.47

Step by Step Solution

1. Step 1: Write the proportion equation
   7,284.78 : 10,933.25 = 5,412.47 : x
2. Step 2: Convert to fraction form
   7,284.78/10,933.25 = 5,412.47/x
3. Step 3: Cross multiply
   7,284.78x = 10,933.25 × 5,412.47
4. Step 4: Simplify right side
   7,284.78x = 59,175,805.90
5. Step 5: Solve for x
   x = 59,175,805.90/7,284.78
6. Step 6: Final answer
   x = 8,123.21