Finding the Fourth Proportional to 28,216.56, 42,325.38 and 9,493.14

Step by Step Solution

1. Step 1: Write the proportion equation
   28,216.56 : 42,325.38 = 9,493.14 : x
2. Step 2: Convert to fraction form
   28,216.56/42,325.38 = 9,493.14/x
3. Step 3: Cross multiply
   28,216.56x = 42,325.38 × 9,493.14
4. Step 4: Simplify right side
   28,216.56x = 401,800,757.89
5. Step 5: Solve for x
   x = 401,800,757.89/28,216.56
6. Step 6: Final answer
   x = 14,239.89