Finding the Fourth Proportional to 2,068.46, 2,850.63 and 1,405.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.46 : 2,850.63 = 1,405.34 : x
2. Step 2: Convert to fraction form
   2,068.46/2,850.63 = 1,405.34/x
3. Step 3: Cross multiply
   2,068.46x = 2,850.63 × 1,405.34
4. Step 4: Simplify right side
   2,068.46x = 4,006,104.36
5. Step 5: Solve for x
   x = 4,006,104.36/2,068.46
6. Step 6: Final answer
   x = 1,936.76