Finding the Fourth Proportional to 7,309.59, 10,086.63 and 4,122.71

Step by Step Solution

1. Step 1: Write the proportion equation
   7,309.59 : 10,086.63 = 4,122.71 : x
2. Step 2: Convert to fraction form
   7,309.59/10,086.63 = 4,122.71/x
3. Step 3: Cross multiply
   7,309.59x = 10,086.63 × 4,122.71
4. Step 4: Simplify right side
   7,309.59x = 41,584,229.75
5. Step 5: Solve for x
   x = 41,584,229.75/7,309.59
6. Step 6: Final answer
   x = 5,689.00