Finding the Fourth Proportional to 2,111.18, 2,914.04 and 1,227.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.18 : 2,914.04 = 1,227.32 : x
2. Step 2: Convert to fraction form
   2,111.18/2,914.04 = 1,227.32/x
3. Step 3: Cross multiply
   2,111.18x = 2,914.04 × 1,227.32
4. Step 4: Simplify right side
   2,111.18x = 3,576,459.57
5. Step 5: Solve for x
   x = 3,576,459.57/2,111.18
6. Step 6: Final answer
   x = 1,694.06