Finding the Fourth Proportional to 3,066.21, 4,598.18 and 1,216.71

Step by Step Solution

1. Step 1: Write the proportion equation
   3,066.21 : 4,598.18 = 1,216.71 : x
2. Step 2: Convert to fraction form
   3,066.21/4,598.18 = 1,216.71/x
3. Step 3: Cross multiply
   3,066.21x = 4,598.18 × 1,216.71
4. Step 4: Simplify right side
   3,066.21x = 5,594,645.50
5. Step 5: Solve for x
   x = 5,594,645.50/3,066.21
6. Step 6: Final answer
   x = 1,824.61