Finding the Fourth Proportional to 10,456.15, 14,430.63 and 5,980.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,456.15 : 14,430.63 = 5,980.32 : x
2. Step 2: Convert to fraction form
   10,456.15/14,430.63 = 5,980.32/x
3. Step 3: Cross multiply
   10,456.15x = 14,430.63 × 5,980.32
4. Step 4: Simplify right side
   10,456.15x = 86,299,698.10
5. Step 5: Solve for x
   x = 86,299,698.10/10,456.15
6. Step 6: Final answer
   x = 8,253.49