Finding the Fourth Proportional to 3,708.12, 5,557.98 and 1,860.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,708.12 : 5,557.98 = 1,860.76 : x
2. Step 2: Convert to fraction form
   3,708.12/5,557.98 = 1,860.76/x
3. Step 3: Cross multiply
   3,708.12x = 5,557.98 × 1,860.76
4. Step 4: Simplify right side
   3,708.12x = 10,342,066.86
5. Step 5: Solve for x
   x = 10,342,066.86/3,708.12
6. Step 6: Final answer
   x = 2,789.03