Finding the Fourth Proportional to 10,858.27, 16,290.48 and 5,597.13

Step by Step Solution

1. Step 1: Write the proportion equation
   10,858.27 : 16,290.48 = 5,597.13 : x
2. Step 2: Convert to fraction form
   10,858.27/16,290.48 = 5,597.13/x
3. Step 3: Cross multiply
   10,858.27x = 16,290.48 × 5,597.13
4. Step 4: Simplify right side
   10,858.27x = 91,179,934.32
5. Step 5: Solve for x
   x = 91,179,934.32/10,858.27
6. Step 6: Final answer
   x = 8,397.28