Finding the Fourth Proportional to 16,339.91, 24,507.55 and 5,245.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,339.91 : 24,507.55 = 5,245.16 : x
2. Step 2: Convert to fraction form
   16,339.91/24,507.55 = 5,245.16/x
3. Step 3: Cross multiply
   16,339.91x = 24,507.55 × 5,245.16
4. Step 4: Simplify right side
   16,339.91x = 128,546,069.11
5. Step 5: Solve for x
   x = 128,546,069.11/16,339.91
6. Step 6: Final answer
   x = 7,867.00