Finding the Fourth Proportional to 1,861.41, 2,792.73 and 936.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,861.41 : 2,792.73 = 936.53 : x
2. Step 2: Convert to fraction form
   1,861.41/2,792.73 = 936.53/x
3. Step 3: Cross multiply
   1,861.41x = 2,792.73 × 936.53
4. Step 4: Simplify right side
   1,861.41x = 2,615,456.78
5. Step 5: Solve for x
   x = 2,615,456.78/1,861.41
6. Step 6: Final answer
   x = 1,405.09