Finding the Fourth Proportional to 3,747.60, 5,613.86 and 1,867.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,747.60 : 5,613.86 = 1,867.82 : x
2. Step 2: Convert to fraction form
   3,747.60/5,613.86 = 1,867.82/x
3. Step 3: Cross multiply
   3,747.60x = 5,613.86 × 1,867.82
4. Step 4: Simplify right side
   3,747.60x = 10,485,679.99
5. Step 5: Solve for x
   x = 10,485,679.99/3,747.60
6. Step 6: Final answer
   x = 2,797.97