Finding the Fourth Proportional to 1,623.45, 2,436.78 and 1,096.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,623.45 : 2,436.78 = 1,096.29 : x
2. Step 2: Convert to fraction form
   1,623.45/2,436.78 = 1,096.29/x
3. Step 3: Cross multiply
   1,623.45x = 2,436.78 × 1,096.29
4. Step 4: Simplify right side
   1,623.45x = 2,671,417.55
5. Step 5: Solve for x
   x = 2,671,417.55/1,623.45
6. Step 6: Final answer
   x = 1,645.52