Finding the Fourth Proportional to 10,484.26, 15,729.12 and 3,910.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,484.26 : 15,729.12 = 3,910.50 : x
2. Step 2: Convert to fraction form
   10,484.26/15,729.12 = 3,910.50/x
3. Step 3: Cross multiply
   10,484.26x = 15,729.12 × 3,910.50
4. Step 4: Simplify right side
   10,484.26x = 61,508,723.76
5. Step 5: Solve for x
   x = 61,508,723.76/10,484.26
6. Step 6: Final answer
   x = 5,866.77