Finding the Fourth Proportional to 2,587.50, 3,881.78 and 1,354.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,587.50 : 3,881.78 = 1,354.58 : x
2. Step 2: Convert to fraction form
   2,587.50/3,881.78 = 1,354.58/x
3. Step 3: Cross multiply
   2,587.50x = 3,881.78 × 1,354.58
4. Step 4: Simplify right side
   2,587.50x = 5,258,181.55
5. Step 5: Solve for x
   x = 5,258,181.55/2,587.50
6. Step 6: Final answer
   x = 2,032.15