Finding the Fourth Proportional to 2,112.52, 3,171.52 and 1,625.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112.52 : 3,171.52 = 1,625.92 : x
2. Step 2: Convert to fraction form
   2,112.52/3,171.52 = 1,625.92/x
3. Step 3: Cross multiply
   2,112.52x = 3,171.52 × 1,625.92
4. Step 4: Simplify right side
   2,112.52x = 5,156,637.80
5. Step 5: Solve for x
   x = 5,156,637.80/2,112.52
6. Step 6: Final answer
   x = 2,440.99