Finding the Fourth Proportional to 12,448.33, 17,178.53 and 6,783.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,448.33 : 17,178.53 = 6,783.31 : x
2. Step 2: Convert to fraction form
   12,448.33/17,178.53 = 6,783.31/x
3. Step 3: Cross multiply
   12,448.33x = 17,178.53 × 6,783.31
4. Step 4: Simplify right side
   12,448.33x = 116,527,294.33
5. Step 5: Solve for x
   x = 116,527,294.33/12,448.33
6. Step 6: Final answer
   x = 9,360.88