Finding the Fourth Proportional to 1,402.03, 1,934.85 and 772.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,402.03 : 1,934.85 = 772.62 : x
2. Step 2: Convert to fraction form
   1,402.03/1,934.85 = 772.62/x
3. Step 3: Cross multiply
   1,402.03x = 1,934.85 × 772.62
4. Step 4: Simplify right side
   1,402.03x = 1,494,903.81
5. Step 5: Solve for x
   x = 1,494,903.81/1,402.03
6. Step 6: Final answer
   x = 1,066.24