Finding the Fourth Proportional to 2,151.35, 2,969.15 and 1,267.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,151.35 : 2,969.15 = 1,267.14 : x
2. Step 2: Convert to fraction form
   2,151.35/2,969.15 = 1,267.14/x
3. Step 3: Cross multiply
   2,151.35x = 2,969.15 × 1,267.14
4. Step 4: Simplify right side
   2,151.35x = 3,762,322.40
5. Step 5: Solve for x
   x = 3,762,322.40/2,151.35
6. Step 6: Final answer
   x = 1,748.82