Finding the Fourth Proportional to 1,402.69, 1,935.70 and 773.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,402.69 : 1,935.70 = 773.22 : x
2. Step 2: Convert to fraction form
   1,402.69/1,935.70 = 773.22/x
3. Step 3: Cross multiply
   1,402.69x = 1,935.70 × 773.22
4. Step 4: Simplify right side
   1,402.69x = 1,496,726.19
5. Step 5: Solve for x
   x = 1,496,726.19/1,402.69
6. Step 6: Final answer
   x = 1,067.04