Finding the Fourth Proportional to 10,456.91, 14,430.59 and 5,980.85

Step by Step Solution

1. Step 1: Write the proportion equation
   10,456.91 : 14,430.59 = 5,980.85 : x
2. Step 2: Convert to fraction form
   10,456.91/14,430.59 = 5,980.85/x
3. Step 3: Cross multiply
   10,456.91x = 14,430.59 × 5,980.85
4. Step 4: Simplify right side
   10,456.91x = 86,307,194.20
5. Step 5: Solve for x
   x = 86,307,194.20/10,456.91
6. Step 6: Final answer
   x = 8,253.60