Finding the Fourth Proportional to 3,780.82, 5,672.38 and 1,933.23

Step by Step Solution

1. Step 1: Write the proportion equation
   3,780.82 : 5,672.38 = 1,933.23 : x
2. Step 2: Convert to fraction form
   3,780.82/5,672.38 = 1,933.23/x
3. Step 3: Cross multiply
   3,780.82x = 5,672.38 × 1,933.23
4. Step 4: Simplify right side
   3,780.82x = 10,966,003.28
5. Step 5: Solve for x
   x = 10,966,003.28/3,780.82
6. Step 6: Final answer
   x = 2,900.43