Finding the Fourth Proportional to 13,932.36, 19,223.32 and 7,882.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,932.36 : 19,223.32 = 7,882.72 : x
2. Step 2: Convert to fraction form
   13,932.36/19,223.32 = 7,882.72/x
3. Step 3: Cross multiply
   13,932.36x = 19,223.32 × 7,882.72
4. Step 4: Simplify right side
   13,932.36x = 151,532,049.03
5. Step 5: Solve for x
   x = 151,532,049.03/13,932.36
6. Step 6: Final answer
   x = 10,876.27