Finding the Fourth Proportional to 10,406.37, 15,602.23 and 3,831.70

Step by Step Solution

1. Step 1: Write the proportion equation
   10,406.37 : 15,602.23 = 3,831.70 : x
2. Step 2: Convert to fraction form
   10,406.37/15,602.23 = 3,831.70/x
3. Step 3: Cross multiply
   10,406.37x = 15,602.23 × 3,831.70
4. Step 4: Simplify right side
   10,406.37x = 59,783,064.69
5. Step 5: Solve for x
   x = 59,783,064.69/10,406.37
6. Step 6: Final answer
   x = 5,744.85