Finding the Fourth Proportional to 2,227.76, 3,070.89 and 1,667.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227.76 : 3,070.89 = 1,667.38 : x
2. Step 2: Convert to fraction form
   2,227.76/3,070.89 = 1,667.38/x
3. Step 3: Cross multiply
   2,227.76x = 3,070.89 × 1,667.38
4. Step 4: Simplify right side
   2,227.76x = 5,120,340.57
5. Step 5: Solve for x
   x = 5,120,340.57/2,227.76
6. Step 6: Final answer
   x = 2,298.43