Finding the Fourth Proportional to 3,763.86, 5,641.83 and 1,811.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,763.86 : 5,641.83 = 1,811.94 : x
2. Step 2: Convert to fraction form
   3,763.86/5,641.83 = 1,811.94/x
3. Step 3: Cross multiply
   3,763.86x = 5,641.83 × 1,811.94
4. Step 4: Simplify right side
   3,763.86x = 10,222,657.45
5. Step 5: Solve for x
   x = 10,222,657.45/3,763.86
6. Step 6: Final answer
   x = 2,716.00