Finding the Fourth Proportional to 2,065.59, 2,850.86 and 1,402

Step by Step Solution

1. Step 1: Write the proportion equation
   2,065.59 : 2,850.86 = 1,402 : x
2. Step 2: Convert to fraction form
   2,065.59/2,850.86 = 1,402/x
3. Step 3: Cross multiply
   2,065.59x = 2,850.86 × 1,402
4. Step 4: Simplify right side
   2,065.59x = 3,996,905.72
5. Step 5: Solve for x
   x = 3,996,905.72/2,065.59
6. Step 6: Final answer
   x = 1,934.99