Finding the Fourth Proportional to 1,627.17, 2,245.59 and 963.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,627.17 : 2,245.59 = 963.87 : x
2. Step 2: Convert to fraction form
   1,627.17/2,245.59 = 963.87/x
3. Step 3: Cross multiply
   1,627.17x = 2,245.59 × 963.87
4. Step 4: Simplify right side
   1,627.17x = 2,164,456.83
5. Step 5: Solve for x
   x = 2,164,456.83/1,627.17
6. Step 6: Final answer
   x = 1,330.20