Finding the Fourth Proportional to 10,980.21, 16,468.45 and 3,958.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,980.21 : 16,468.45 = 3,958.83 : x
2. Step 2: Convert to fraction form
   10,980.21/16,468.45 = 3,958.83/x
3. Step 3: Cross multiply
   10,980.21x = 16,468.45 × 3,958.83
4. Step 4: Simplify right side
   10,980.21x = 65,195,793.91
5. Step 5: Solve for x
   x = 65,195,793.91/10,980.21
6. Step 6: Final answer
   x = 5,937.57