Finding the Fourth Proportional to 2,211.41, 3,051.73 and 1,216.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,211.41 : 3,051.73 = 1,216.69 : x
2. Step 2: Convert to fraction form
   2,211.41/3,051.73 = 1,216.69/x
3. Step 3: Cross multiply
   2,211.41x = 3,051.73 × 1,216.69
4. Step 4: Simplify right side
   2,211.41x = 3,713,018.15
5. Step 5: Solve for x
   x = 3,713,018.15/2,211.41
6. Step 6: Final answer
   x = 1,679.02