Finding the Fourth Proportional to 1,612.29, 2,412.96 and 1,248.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,612.29 : 2,412.96 = 1,248.71 : x
2. Step 2: Convert to fraction form
   1,612.29/2,412.96 = 1,248.71/x
3. Step 3: Cross multiply
   1,612.29x = 2,412.96 × 1,248.71
4. Step 4: Simplify right side
   1,612.29x = 3,013,087.28
5. Step 5: Solve for x
   x = 3,013,087.28/1,612.29
6. Step 6: Final answer
   x = 1,868.82