Finding the Fourth Proportional to 1,627.62, 2,436.63 and 1,009.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,627.62 : 2,436.63 = 1,009.34 : x
2. Step 2: Convert to fraction form
   1,627.62/2,436.63 = 1,009.34/x
3. Step 3: Cross multiply
   1,627.62x = 2,436.63 × 1,009.34
4. Step 4: Simplify right side
   1,627.62x = 2,459,375.94
5. Step 5: Solve for x
   x = 2,459,375.94/1,627.62
6. Step 6: Final answer
   x = 1,511.03