Finding the Fourth Proportional to 16,580.39, 24,867.34 and 4,890.47

Step by Step Solution

1. Step 1: Write the proportion equation
   16,580.39 : 24,867.34 = 4,890.47 : x
2. Step 2: Convert to fraction form
   16,580.39/24,867.34 = 4,890.47/x
3. Step 3: Cross multiply
   16,580.39x = 24,867.34 × 4,890.47
4. Step 4: Simplify right side
   16,580.39x = 121,612,843.69
5. Step 5: Solve for x
   x = 121,612,843.69/16,580.39
6. Step 6: Final answer
   x = 7,334.74