Finding the Fourth Proportional to 1,601.31, 2,206.38 and 1,076.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,601.31 : 2,206.38 = 1,076.43 : x
2. Step 2: Convert to fraction form
   1,601.31/2,206.38 = 1,076.43/x
3. Step 3: Cross multiply
   1,601.31x = 2,206.38 × 1,076.43
4. Step 4: Simplify right side
   1,601.31x = 2,375,013.62
5. Step 5: Solve for x
   x = 2,375,013.62/1,601.31
6. Step 6: Final answer
   x = 1,483.17