Finding the Fourth Proportional to 12,824.26, 17,698.37 and 7,160.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,824.26 : 17,698.37 = 7,160.12 : x
2. Step 2: Convert to fraction form
   12,824.26/17,698.37 = 7,160.12/x
3. Step 3: Cross multiply
   12,824.26x = 17,698.37 × 7,160.12
4. Step 4: Simplify right side
   12,824.26x = 126,722,417.20
5. Step 5: Solve for x
   x = 126,722,417.20/12,824.26
6. Step 6: Final answer
   x = 9,881.46