Finding the Fourth Proportional to 1,610.37, 2,221.29 and 1,167.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,610.37 : 2,221.29 = 1,167.57 : x
2. Step 2: Convert to fraction form
   1,610.37/2,221.29 = 1,167.57/x
3. Step 3: Cross multiply
   1,610.37x = 2,221.29 × 1,167.57
4. Step 4: Simplify right side
   1,610.37x = 2,593,511.57
5. Step 5: Solve for x
   x = 2,593,511.57/1,610.37
6. Step 6: Final answer
   x = 1,610.51