Finding the Fourth Proportional to 10,891.37, 16,333.47 and 3,494.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,891.37 : 16,333.47 = 3,494.07 : x
2. Step 2: Convert to fraction form
   10,891.37/16,333.47 = 3,494.07/x
3. Step 3: Cross multiply
   10,891.37x = 16,333.47 × 3,494.07
4. Step 4: Simplify right side
   10,891.37x = 57,070,287.52
5. Step 5: Solve for x
   x = 57,070,287.52/10,891.37
6. Step 6: Final answer
   x = 5,239.96