Finding the Fourth Proportional to 13,251.52, 19,882.71 and 7,009.86

Step by Step Solution

1. Step 1: Write the proportion equation
   13,251.52 : 19,882.71 = 7,009.86 : x
2. Step 2: Convert to fraction form
   13,251.52/19,882.71 = 7,009.86/x
3. Step 3: Cross multiply
   13,251.52x = 19,882.71 × 7,009.86
4. Step 4: Simplify right side
   13,251.52x = 139,375,013.52
5. Step 5: Solve for x
   x = 139,375,013.52/13,251.52
6. Step 6: Final answer
   x = 10,517.66