Finding the Fourth Proportional to 10,688, 16,036.32 and 5,141.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,688 : 16,036.32 = 5,141.12 : x
2. Step 2: Convert to fraction form
   10,688/16,036.32 = 5,141.12/x
3. Step 3: Cross multiply
   10,688x = 16,036.32 × 5,141.12
4. Step 4: Simplify right side
   10,688x = 82,444,645.48
5. Step 5: Solve for x
   x = 82,444,645.48/10,688
6. Step 6: Final answer
   x = 7,713.76