Finding the Fourth Proportional to 2,769.57, 4,151.61 and 1,126.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,769.57 : 4,151.61 = 1,126.56 : x
2. Step 2: Convert to fraction form
   2,769.57/4,151.61 = 1,126.56/x
3. Step 3: Cross multiply
   2,769.57x = 4,151.61 × 1,126.56
4. Step 4: Simplify right side
   2,769.57x = 4,677,037.76
5. Step 5: Solve for x
   x = 4,677,037.76/2,769.57
6. Step 6: Final answer
   x = 1,688.72