Finding the Fourth Proportional to 2,151.27, 2,969.34 and 1,267.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,151.27 : 2,969.34 = 1,267.35 : x
2. Step 2: Convert to fraction form
   2,151.27/2,969.34 = 1,267.35/x
3. Step 3: Cross multiply
   2,151.27x = 2,969.34 × 1,267.35
4. Step 4: Simplify right side
   2,151.27x = 3,763,193.05
5. Step 5: Solve for x
   x = 3,763,193.05/2,151.27
6. Step 6: Final answer
   x = 1,749.29