Finding the Fourth Proportional to 2,385.73, 3,292.46 and 1,587.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,385.73 : 3,292.46 = 1,587.68 : x
2. Step 2: Convert to fraction form
   2,385.73/3,292.46 = 1,587.68/x
3. Step 3: Cross multiply
   2,385.73x = 3,292.46 × 1,587.68
4. Step 4: Simplify right side
   2,385.73x = 5,227,372.89
5. Step 5: Solve for x
   x = 5,227,372.89/2,385.73
6. Step 6: Final answer
   x = 2,191.10