Finding the Fourth Proportional to 10,718.37, 16,087.92 and 5,175.61

Step by Step Solution

1. Step 1: Write the proportion equation
   10,718.37 : 16,087.92 = 5,175.61 : x
2. Step 2: Convert to fraction form
   10,718.37/16,087.92 = 5,175.61/x
3. Step 3: Cross multiply
   10,718.37x = 16,087.92 × 5,175.61
4. Step 4: Simplify right side
   10,718.37x = 83,264,799.63
5. Step 5: Solve for x
   x = 83,264,799.63/10,718.37
6. Step 6: Final answer
   x = 7,768.42