Finding the Fourth Proportional to 16,078.13, 24,117.83 and 4,391.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,078.13 : 24,117.83 = 4,391.31 : x
2. Step 2: Convert to fraction form
   16,078.13/24,117.83 = 4,391.31/x
3. Step 3: Cross multiply
   16,078.13x = 24,117.83 × 4,391.31
4. Step 4: Simplify right side
   16,078.13x = 105,908,977.71
5. Step 5: Solve for x
   x = 105,908,977.71/16,078.13
6. Step 6: Final answer
   x = 6,587.15