Finding the Fourth Proportional to 12,934.34, 17,831.31 and 10,936.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,934.34 : 17,831.31 = 10,936.88 : x
2. Step 2: Convert to fraction form
   12,934.34/17,831.31 = 10,936.88/x
3. Step 3: Cross multiply
   12,934.34x = 17,831.31 × 10,936.88
4. Step 4: Simplify right side
   12,934.34x = 195,018,897.71
5. Step 5: Solve for x
   x = 195,018,897.71/12,934.34
6. Step 6: Final answer
   x = 15,077.61