Finding the Fourth Proportional to 1,402.46, 1,935.69 and 930.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,402.46 : 1,935.69 = 930.39 : x
2. Step 2: Convert to fraction form
   1,402.46/1,935.69 = 930.39/x
3. Step 3: Cross multiply
   1,402.46x = 1,935.69 × 930.39
4. Step 4: Simplify right side
   1,402.46x = 1,800,946.62
5. Step 5: Solve for x
   x = 1,800,946.62/1,402.46
6. Step 6: Final answer
   x = 1,284.13