Finding the Fourth Proportional to 2,046.34, 3,070.05 and 1,072.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,046.34 : 3,070.05 = 1,072.18 : x
2. Step 2: Convert to fraction form
   2,046.34/3,070.05 = 1,072.18/x
3. Step 3: Cross multiply
   2,046.34x = 3,070.05 × 1,072.18
4. Step 4: Simplify right side
   2,046.34x = 3,291,646.21
5. Step 5: Solve for x
   x = 3,291,646.21/2,046.34
6. Step 6: Final answer
   x = 1,608.55