Finding the Fourth Proportional to 1,627.92, 2,261.59 and 1,612.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,627.92 : 2,261.59 = 1,612.76 : x
2. Step 2: Convert to fraction form
   1,627.92/2,261.59 = 1,612.76/x
3. Step 3: Cross multiply
   1,627.92x = 2,261.59 × 1,612.76
4. Step 4: Simplify right side
   1,627.92x = 3,647,401.89
5. Step 5: Solve for x
   x = 3,647,401.89/1,627.92
6. Step 6: Final answer
   x = 2,240.53