Finding the Fourth Proportional to 9,201.33, 12,699.50 and 5,424.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,201.33 : 12,699.50 = 5,424.27 : x
2. Step 2: Convert to fraction form
   9,201.33/12,699.50 = 5,424.27/x
3. Step 3: Cross multiply
   9,201.33x = 12,699.50 × 5,424.27
4. Step 4: Simplify right side
   9,201.33x = 68,885,489.74
5. Step 5: Solve for x
   x = 68,885,489.74/9,201.33
6. Step 6: Final answer
   x = 7,486.47