Finding the Fourth Proportional to 10,306.35, 14,222.70 and 5,590.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,306.35 : 14,222.70 = 5,590.62 : x
2. Step 2: Convert to fraction form
   10,306.35/14,222.70 = 5,590.62/x
3. Step 3: Cross multiply
   10,306.35x = 14,222.70 × 5,590.62
4. Step 4: Simplify right side
   10,306.35x = 79,513,711.07
5. Step 5: Solve for x
   x = 79,513,711.07/10,306.35
6. Step 6: Final answer
   x = 7,715.02