Finding the Fourth Proportional to 2,211.45, 3,051.88 and 1,267.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,211.45 : 3,051.88 = 1,267.42 : x
2. Step 2: Convert to fraction form
   2,211.45/3,051.88 = 1,267.42/x
3. Step 3: Cross multiply
   2,211.45x = 3,051.88 × 1,267.42
4. Step 4: Simplify right side
   2,211.45x = 3,868,025.80
5. Step 5: Solve for x
   x = 3,868,025.80/2,211.45
6. Step 6: Final answer
   x = 1,749.09