Finding the Fourth Proportional to 3,710.86, 5,121.47 and 2,435.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,710.86 : 5,121.47 = 2,435.83 : x
2. Step 2: Convert to fraction form
   3,710.86/5,121.47 = 2,435.83/x
3. Step 3: Cross multiply
   3,710.86x = 5,121.47 × 2,435.83
4. Step 4: Simplify right side
   3,710.86x = 12,475,030.27
5. Step 5: Solve for x
   x = 12,475,030.27/3,710.86
6. Step 6: Final answer
   x = 3,361.76