Finding the Fourth Proportional to 2,266.62, 3,400.17 and 1,111.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,266.62 : 3,400.17 = 1,111.50 : x
2. Step 2: Convert to fraction form
   2,266.62/3,400.17 = 1,111.50/x
3. Step 3: Cross multiply
   2,266.62x = 3,400.17 × 1,111.50
4. Step 4: Simplify right side
   2,266.62x = 3,779,288.96
5. Step 5: Solve for x
   x = 3,779,288.96/2,266.62
6. Step 6: Final answer
   x = 1,667.37