Finding the Fourth Proportional to 1,498.69, 2,068.20 and 817.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.69 : 2,068.20 = 817.32 : x
2. Step 2: Convert to fraction form
   1,498.69/2,068.20 = 817.32/x
3. Step 3: Cross multiply
   1,498.69x = 2,068.20 × 817.32
4. Step 4: Simplify right side
   1,498.69x = 1,690,375.81
5. Step 5: Solve for x
   x = 1,690,375.81/1,498.69
6. Step 6: Final answer
   x = 1,127.90