Finding the Fourth Proportional to 1,956.09, 2,935.71 and 724.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,956.09 : 2,935.71 = 724.38 : x
2. Step 2: Convert to fraction form
   1,956.09/2,935.71 = 724.38/x
3. Step 3: Cross multiply
   1,956.09x = 2,935.71 × 724.38
4. Step 4: Simplify right side
   1,956.09x = 2,126,569.61
5. Step 5: Solve for x
   x = 2,126,569.61/1,956.09
6. Step 6: Final answer
   x = 1,087.15