Finding the Fourth Proportional to 13,864.50, 19,132.98 and 7,896.17

Step by Step Solution

1. Step 1: Write the proportion equation
   13,864.50 : 19,132.98 = 7,896.17 : x
2. Step 2: Convert to fraction form
   13,864.50/19,132.98 = 7,896.17/x
3. Step 3: Cross multiply
   13,864.50x = 19,132.98 × 7,896.17
4. Step 4: Simplify right side
   13,864.50x = 151,077,262.69
5. Step 5: Solve for x
   x = 151,077,262.69/13,864.50
6. Step 6: Final answer
   x = 10,896.70