Finding the Fourth Proportional to 2,229.63, 3,076.89 and 1,345.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,229.63 : 3,076.89 = 1,345.41 : x
2. Step 2: Convert to fraction form
   2,229.63/3,076.89 = 1,345.41/x
3. Step 3: Cross multiply
   2,229.63x = 3,076.89 × 1,345.41
4. Step 4: Simplify right side
   2,229.63x = 4,139,673.53
5. Step 5: Solve for x
   x = 4,139,673.53/2,229.63
6. Step 6: Final answer
   x = 1,856.67