Finding the Fourth Proportional to 7,059.42, 10,596.80 and 5,309.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,059.42 : 10,596.80 = 5,309.42 : x
2. Step 2: Convert to fraction form
   7,059.42/10,596.80 = 5,309.42/x
3. Step 3: Cross multiply
   7,059.42x = 10,596.80 × 5,309.42
4. Step 4: Simplify right side
   7,059.42x = 56,262,861.86
5. Step 5: Solve for x
   x = 56,262,861.86/7,059.42
6. Step 6: Final answer
   x = 7,969.90