Finding the Fourth Proportional to 12,436.04, 17,162.61 and 7,132.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,436.04 : 17,162.61 = 7,132.16 : x
2. Step 2: Convert to fraction form
   12,436.04/17,162.61 = 7,132.16/x
3. Step 3: Cross multiply
   12,436.04x = 17,162.61 × 7,132.16
4. Step 4: Simplify right side
   12,436.04x = 122,406,480.54
5. Step 5: Solve for x
   x = 122,406,480.54/12,436.04
6. Step 6: Final answer
   x = 9,842.88