Finding the Fourth Proportional to 2,602.29, 3,902.43 and 935.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,602.29 : 3,902.43 = 935.94 : x
2. Step 2: Convert to fraction form
   2,602.29/3,902.43 = 935.94/x
3. Step 3: Cross multiply
   2,602.29x = 3,902.43 × 935.94
4. Step 4: Simplify right side
   2,602.29x = 3,652,440.33
5. Step 5: Solve for x
   x = 3,652,440.33/2,602.29
6. Step 6: Final answer
   x = 1,403.55