Finding the Fourth Proportional to 1,402.54, 1,935.42 and 773.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,402.54 : 1,935.42 = 773.02 : x
2. Step 2: Convert to fraction form
   1,402.54/1,935.42 = 773.02/x
3. Step 3: Cross multiply
   1,402.54x = 1,935.42 × 773.02
4. Step 4: Simplify right side
   1,402.54x = 1,496,118.37
5. Step 5: Solve for x
   x = 1,496,118.37/1,402.54
6. Step 6: Final answer
   x = 1,066.72