Finding the Fourth Proportional to 2,767.69, 4,152.69 and 1,123.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,767.69 : 4,152.69 = 1,123.81 : x
2. Step 2: Convert to fraction form
   2,767.69/4,152.69 = 1,123.81/x
3. Step 3: Cross multiply
   2,767.69x = 4,152.69 × 1,123.81
4. Step 4: Simplify right side
   2,767.69x = 4,666,834.55
5. Step 5: Solve for x
   x = 4,666,834.55/2,767.69
6. Step 6: Final answer
   x = 1,686.18