Finding the Fourth Proportional to 10,148.69, 15,222.85 and 3,910.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,148.69 : 15,222.85 = 3,910.05 : x
2. Step 2: Convert to fraction form
   10,148.69/15,222.85 = 3,910.05/x
3. Step 3: Cross multiply
   10,148.69x = 15,222.85 × 3,910.05
4. Step 4: Simplify right side
   10,148.69x = 59,522,085.09
5. Step 5: Solve for x
   x = 59,522,085.09/10,148.69
6. Step 6: Final answer
   x = 5,865.00