Finding the Fourth Proportional to 2,112.10, 3,166.35 and 1,493.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112.10 : 3,166.35 = 1,493.86 : x
2. Step 2: Convert to fraction form
   2,112.10/3,166.35 = 1,493.86/x
3. Step 3: Cross multiply
   2,112.10x = 3,166.35 × 1,493.86
4. Step 4: Simplify right side
   2,112.10x = 4,730,083.61
5. Step 5: Solve for x
   x = 4,730,083.61/2,112.10
6. Step 6: Final answer
   x = 2,239.52