Finding the Fourth Proportional to 2,289.50, 3,156.27 and 1,627.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,289.50 : 3,156.27 = 1,627.87 : x
2. Step 2: Convert to fraction form
   2,289.50/3,156.27 = 1,627.87/x
3. Step 3: Cross multiply
   2,289.50x = 3,156.27 × 1,627.87
4. Step 4: Simplify right side
   2,289.50x = 5,137,981.46
5. Step 5: Solve for x
   x = 5,137,981.46/2,289.50
6. Step 6: Final answer
   x = 2,244.15