Finding the Fourth Proportional to 7,417.50, 10,236.15 and 4,105.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,417.50 : 10,236.15 = 4,105.50 : x
2. Step 2: Convert to fraction form
   7,417.50/10,236.15 = 4,105.50/x
3. Step 3: Cross multiply
   7,417.50x = 10,236.15 × 4,105.50
4. Step 4: Simplify right side
   7,417.50x = 42,024,513.83
5. Step 5: Solve for x
   x = 42,024,513.83/7,417.50
6. Step 6: Final answer
   x = 5,665.59