Finding the Fourth Proportional to 1,635.01, 2,256.71 and 936.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,635.01 : 2,256.71 = 936.79 : x
2. Step 2: Convert to fraction form
   1,635.01/2,256.71 = 936.79/x
3. Step 3: Cross multiply
   1,635.01x = 2,256.71 × 936.79
4. Step 4: Simplify right side
   1,635.01x = 2,114,063.36
5. Step 5: Solve for x
   x = 2,114,063.36/1,635.01
6. Step 6: Final answer
   x = 1,293.00