Finding the Fourth Proportional to 1,622.61, 2,433.20 and 1,006.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,622.61 : 2,433.20 = 1,006.29 : x
2. Step 2: Convert to fraction form
   1,622.61/2,433.20 = 1,006.29/x
3. Step 3: Cross multiply
   1,622.61x = 2,433.20 × 1,006.29
4. Step 4: Simplify right side
   1,622.61x = 2,448,499.80
5. Step 5: Solve for x
   x = 2,448,499.80/1,622.61
6. Step 6: Final answer
   x = 1,508.99