Finding the Fourth Proportional to 3,783.35, 5,671.83 and 1,807.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,783.35 : 5,671.83 = 1,807.86 : x
2. Step 2: Convert to fraction form
   3,783.35/5,671.83 = 1,807.86/x
3. Step 3: Cross multiply
   3,783.35x = 5,671.83 × 1,807.86
4. Step 4: Simplify right side
   3,783.35x = 10,253,874.58
5. Step 5: Solve for x
   x = 10,253,874.58/3,783.35
6. Step 6: Final answer
   x = 2,710.26