Finding the Fourth Proportional to 2,151.56, 2,969.13 and 1,267.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,151.56 : 2,969.13 = 1,267.34 : x
2. Step 2: Convert to fraction form
   2,151.56/2,969.13 = 1,267.34/x
3. Step 3: Cross multiply
   2,151.56x = 2,969.13 × 1,267.34
4. Step 4: Simplify right side
   2,151.56x = 3,762,882.37
5. Step 5: Solve for x
   x = 3,762,882.37/2,151.56
6. Step 6: Final answer
   x = 1,748.91