Finding the Fourth Proportional to 1,402.43, 1,935.39 and 772.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,402.43 : 1,935.39 = 772.94 : x
2. Step 2: Convert to fraction form
   1,402.43/1,935.39 = 772.94/x
3. Step 3: Cross multiply
   1,402.43x = 1,935.39 × 772.94
4. Step 4: Simplify right side
   1,402.43x = 1,495,940.35
5. Step 5: Solve for x
   x = 1,495,940.35/1,402.43
6. Step 6: Final answer
   x = 1,066.68