Finding the Fourth Proportional to 2,892.18, 4,335.87 and 1,248.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,892.18 : 4,335.87 = 1,248.51 : x
2. Step 2: Convert to fraction form
   2,892.18/4,335.87 = 1,248.51/x
3. Step 3: Cross multiply
   2,892.18x = 4,335.87 × 1,248.51
4. Step 4: Simplify right side
   2,892.18x = 5,413,377.05
5. Step 5: Solve for x
   x = 5,413,377.05/2,892.18
6. Step 6: Final answer
   x = 1,871.73