Finding the Fourth Proportional to 3,707.82, 5,559.12 and 1,857.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,707.82 : 5,559.12 = 1,857.62 : x
2. Step 2: Convert to fraction form
   3,707.82/5,559.12 = 1,857.62/x
3. Step 3: Cross multiply
   3,707.82x = 5,559.12 × 1,857.62
4. Step 4: Simplify right side
   3,707.82x = 10,326,732.49
5. Step 5: Solve for x
   x = 10,326,732.49/3,707.82
6. Step 6: Final answer
   x = 2,785.12