Finding the Fourth Proportional to 2,212.83, 3,316.41 and 1,114.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,212.83 : 3,316.41 = 1,114.74 : x
2. Step 2: Convert to fraction form
   2,212.83/3,316.41 = 1,114.74/x
3. Step 3: Cross multiply
   2,212.83x = 3,316.41 × 1,114.74
4. Step 4: Simplify right side
   2,212.83x = 3,696,934.88
5. Step 5: Solve for x
   x = 3,696,934.88/2,212.83
6. Step 6: Final answer
   x = 1,670.68