Finding the Fourth Proportional to 10,306.71, 14,223.33 and 5,591.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,306.71 : 14,223.33 = 5,591.07 : x
2. Step 2: Convert to fraction form
   10,306.71/14,223.33 = 5,591.07/x
3. Step 3: Cross multiply
   10,306.71x = 14,223.33 × 5,591.07
4. Step 4: Simplify right side
   10,306.71x = 79,523,633.66
5. Step 5: Solve for x
   x = 79,523,633.66/10,306.71
6. Step 6: Final answer
   x = 7,715.71