Finding the Fourth Proportional to 3,818.34, 5,719.14 and 1,866.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,818.34 : 5,719.14 = 1,866.42 : x
2. Step 2: Convert to fraction form
   3,818.34/5,719.14 = 1,866.42/x
3. Step 3: Cross multiply
   3,818.34x = 5,719.14 × 1,866.42
4. Step 4: Simplify right side
   3,818.34x = 10,674,317.28
5. Step 5: Solve for x
   x = 10,674,317.28/3,818.34
6. Step 6: Final answer
   x = 2,795.54