Finding the Fourth Proportional to 10,501.34, 15,756.37 and 4,259.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,501.34 : 15,756.37 = 4,259.79 : x
2. Step 2: Convert to fraction form
   10,501.34/15,756.37 = 4,259.79/x
3. Step 3: Cross multiply
   10,501.34x = 15,756.37 × 4,259.79
4. Step 4: Simplify right side
   10,501.34x = 67,118,727.28
5. Step 5: Solve for x
   x = 67,118,727.28/10,501.34
6. Step 6: Final answer
   x = 6,391.44