Finding the Fourth Proportional to 3,780.21, 5,663.01 and 1,833.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,780.21 : 5,663.01 = 1,833.78 : x
2. Step 2: Convert to fraction form
   3,780.21/5,663.01 = 1,833.78/x
3. Step 3: Cross multiply
   3,780.21x = 5,663.01 × 1,833.78
4. Step 4: Simplify right side
   3,780.21x = 10,384,714.48
5. Step 5: Solve for x
   x = 10,384,714.48/3,780.21
6. Step 6: Final answer
   x = 2,747.13