Finding the Fourth Proportional to 10,409.87, 15,615.83 and 3,835.19

Step by Step Solution

1. Step 1: Write the proportion equation
   10,409.87 : 15,615.83 = 3,835.19 : x
2. Step 2: Convert to fraction form
   10,409.87/15,615.83 = 3,835.19/x
3. Step 3: Cross multiply
   10,409.87x = 15,615.83 × 3,835.19
4. Step 4: Simplify right side
   10,409.87x = 59,889,723.69
5. Step 5: Solve for x
   x = 59,889,723.69/10,409.87
6. Step 6: Final answer
   x = 5,753.17