Finding the Fourth Proportional to 1,591.22, 2,383.18 and 1,006.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,591.22 : 2,383.18 = 1,006.20 : x
2. Step 2: Convert to fraction form
   1,591.22/2,383.18 = 1,006.20/x
3. Step 3: Cross multiply
   1,591.22x = 2,383.18 × 1,006.20
4. Step 4: Simplify right side
   1,591.22x = 2,397,955.72
5. Step 5: Solve for x
   x = 2,397,955.72/1,591.22
6. Step 6: Final answer
   x = 1,506.99