Finding the Fourth Proportional to 3,732.21, 5,591.39 and 1,878.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,732.21 : 5,591.39 = 1,878.86 : x
2. Step 2: Convert to fraction form
   3,732.21/5,591.39 = 1,878.86/x
3. Step 3: Cross multiply
   3,732.21x = 5,591.39 × 1,878.86
4. Step 4: Simplify right side
   3,732.21x = 10,505,401.66
5. Step 5: Solve for x
   x = 10,505,401.66/3,732.21
6. Step 6: Final answer
   x = 2,814.79