Finding the Fourth Proportional to 2,767.30, 4,150.58 and 1,123.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,767.30 : 4,150.58 = 1,123.86 : x
2. Step 2: Convert to fraction form
   2,767.30/4,150.58 = 1,123.86/x
3. Step 3: Cross multiply
   2,767.30x = 4,150.58 × 1,123.86
4. Step 4: Simplify right side
   2,767.30x = 4,664,670.84
5. Step 5: Solve for x
   x = 4,664,670.84/2,767.30
6. Step 6: Final answer
   x = 1,685.64