Finding the Fourth Proportional to 10,656.33, 15,983.91 and 3,260.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,656.33 : 15,983.91 = 3,260.79 : x
2. Step 2: Convert to fraction form
   10,656.33/15,983.91 = 3,260.79/x
3. Step 3: Cross multiply
   10,656.33x = 15,983.91 × 3,260.79
4. Step 4: Simplify right side
   10,656.33x = 52,120,173.89
5. Step 5: Solve for x
   x = 52,120,173.89/10,656.33
6. Step 6: Final answer
   x = 4,891.01