Finding the Fourth Proportional to 10,456.92, 14,431.85 and 5,980.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,456.92 : 14,431.85 = 5,980.05 : x
2. Step 2: Convert to fraction form
   10,456.92/14,431.85 = 5,980.05/x
3. Step 3: Cross multiply
   10,456.92x = 14,431.85 × 5,980.05
4. Step 4: Simplify right side
   10,456.92x = 86,303,184.59
5. Step 5: Solve for x
   x = 86,303,184.59/10,456.92
6. Step 6: Final answer
   x = 8,253.21