Finding the Fourth Proportional to 2,049.48, 3,070.46 and 1,072.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,049.48 : 3,070.46 = 1,072.62 : x
2. Step 2: Convert to fraction form
   2,049.48/3,070.46 = 1,072.62/x
3. Step 3: Cross multiply
   2,049.48x = 3,070.46 × 1,072.62
4. Step 4: Simplify right side
   2,049.48x = 3,293,436.81
5. Step 5: Solve for x
   x = 3,293,436.81/2,049.48
6. Step 6: Final answer
   x = 1,606.96