Finding the Fourth Proportional to 3,847.86, 5,308.20 and 3,698.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,847.86 : 5,308.20 = 3,698.82 : x
2. Step 2: Convert to fraction form
   3,847.86/5,308.20 = 3,698.82/x
3. Step 3: Cross multiply
   3,847.86x = 5,308.20 × 3,698.82
4. Step 4: Simplify right side
   3,847.86x = 19,634,076.32
5. Step 5: Solve for x
   x = 19,634,076.32/3,847.86
6. Step 6: Final answer
   x = 5,102.60