Finding the Fourth Proportional to 17,736.37, 26,613.87 and 7,882.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,736.37 : 26,613.87 = 7,882.72 : x
2. Step 2: Convert to fraction form
   17,736.37/26,613.87 = 7,882.72/x
3. Step 3: Cross multiply
   17,736.37x = 26,613.87 × 7,882.72
4. Step 4: Simplify right side
   17,736.37x = 209,789,685.33
5. Step 5: Solve for x
   x = 209,789,685.33/17,736.37
6. Step 6: Final answer
   x = 11,828.22