Finding the Fourth Proportional to 10,968.87, 16,427.61 and 5,404.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,968.87 : 16,427.61 = 5,404.32 : x
2. Step 2: Convert to fraction form
   10,968.87/16,427.61 = 5,404.32/x
3. Step 3: Cross multiply
   10,968.87x = 16,427.61 × 5,404.32
4. Step 4: Simplify right side
   10,968.87x = 88,780,061.28
5. Step 5: Solve for x
   x = 88,780,061.28/10,968.87
6. Step 6: Final answer
   x = 8,093.82