Finding the Fourth Proportional to 1,404.02, 1,935.23 and 1,286.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.02 : 1,935.23 = 1,286.37 : x
2. Step 2: Convert to fraction form
   1,404.02/1,935.23 = 1,286.37/x
3. Step 3: Cross multiply
   1,404.02x = 1,935.23 × 1,286.37
4. Step 4: Simplify right side
   1,404.02x = 2,489,415.38
5. Step 5: Solve for x
   x = 2,489,415.38/1,404.02
6. Step 6: Final answer
   x = 1,773.06