Finding the Fourth Proportional to 1,610.74, 2,411.92 and 1,118.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,610.74 : 2,411.92 = 1,118.67 : x
2. Step 2: Convert to fraction form
   1,610.74/2,411.92 = 1,118.67/x
3. Step 3: Cross multiply
   1,610.74x = 2,411.92 × 1,118.67
4. Step 4: Simplify right side
   1,610.74x = 2,698,142.55
5. Step 5: Solve for x
   x = 2,698,142.55/1,610.74
6. Step 6: Final answer
   x = 1,675.10