Finding the Fourth Proportional to 2,064.72, 2,850.12 and 1,365.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,064.72 : 2,850.12 = 1,365.84 : x
2. Step 2: Convert to fraction form
   2,064.72/2,850.12 = 1,365.84/x
3. Step 3: Cross multiply
   2,064.72x = 2,850.12 × 1,365.84
4. Step 4: Simplify right side
   2,064.72x = 3,892,807.90
5. Step 5: Solve for x
   x = 3,892,807.90/2,064.72
6. Step 6: Final answer
   x = 1,885.39