Finding the Fourth Proportional to 3,710.87, 5,562.61 and 1,856.33

Step by Step Solution

1. Step 1: Write the proportion equation
   3,710.87 : 5,562.61 = 1,856.33 : x
2. Step 2: Convert to fraction form
   3,710.87/5,562.61 = 1,856.33/x
3. Step 3: Cross multiply
   3,710.87x = 5,562.61 × 1,856.33
4. Step 4: Simplify right side
   3,710.87x = 10,326,007.37
5. Step 5: Solve for x
   x = 10,326,007.37/3,710.87
6. Step 6: Final answer
   x = 2,782.64