Finding the Fourth Proportional to 6,667.48, 9,196.40 and 4,428.24

Step by Step Solution

1. Step 1: Write the proportion equation
   6,667.48 : 9,196.40 = 4,428.24 : x
2. Step 2: Convert to fraction form
   6,667.48/9,196.40 = 4,428.24/x
3. Step 3: Cross multiply
   6,667.48x = 9,196.40 × 4,428.24
4. Step 4: Simplify right side
   6,667.48x = 40,723,866.34
5. Step 5: Solve for x
   x = 40,723,866.34/6,667.48
6. Step 6: Final answer
   x = 6,107.83