Finding the Fourth Proportional to 10,222.29, 15,330.19 and 4,377.33

Step by Step Solution

1. Step 1: Write the proportion equation
   10,222.29 : 15,330.19 = 4,377.33 : x
2. Step 2: Convert to fraction form
   10,222.29/15,330.19 = 4,377.33/x
3. Step 3: Cross multiply
   10,222.29x = 15,330.19 × 4,377.33
4. Step 4: Simplify right side
   10,222.29x = 67,105,300.59
5. Step 5: Solve for x
   x = 67,105,300.59/10,222.29
6. Step 6: Final answer
   x = 6,564.61