Finding the Fourth Proportional to 1,348.46, 1,861.01 and 817.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,348.46 : 1,861.01 = 817.33 : x
2. Step 2: Convert to fraction form
   1,348.46/1,861.01 = 817.33/x
3. Step 3: Cross multiply
   1,348.46x = 1,861.01 × 817.33
4. Step 4: Simplify right side
   1,348.46x = 1,521,056.69
5. Step 5: Solve for x
   x = 1,521,056.69/1,348.46
6. Step 6: Final answer
   x = 1,127.99