Finding the Fourth Proportional to 1,354.77, 1,870.89 and 936.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,354.77 : 1,870.89 = 936.18 : x
2. Step 2: Convert to fraction form
   1,354.77/1,870.89 = 936.18/x
3. Step 3: Cross multiply
   1,354.77x = 1,870.89 × 936.18
4. Step 4: Simplify right side
   1,354.77x = 1,751,489.80
5. Step 5: Solve for x
   x = 1,751,489.80/1,354.77
6. Step 6: Final answer
   x = 1,292.83