Finding the Fourth Proportional to 1,627.10, 2,436.60 and 1,554.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,627.10 : 2,436.60 = 1,554.20 : x
2. Step 2: Convert to fraction form
   1,627.10/2,436.60 = 1,554.20/x
3. Step 3: Cross multiply
   1,627.10x = 2,436.60 × 1,554.20
4. Step 4: Simplify right side
   1,627.10x = 3,786,963.72
5. Step 5: Solve for x
   x = 3,786,963.72/1,627.10
6. Step 6: Final answer
   x = 2,327.43