Finding the Fourth Proportional to 1,079.27, 1,607.29 and 1,042.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,079.27 : 1,607.29 = 1,042.82 : x
2. Step 2: Convert to fraction form
   1,079.27/1,607.29 = 1,042.82/x
3. Step 3: Cross multiply
   1,079.27x = 1,607.29 × 1,042.82
4. Step 4: Simplify right side
   1,079.27x = 1,676,114.16
5. Step 5: Solve for x
   x = 1,676,114.16/1,079.27
6. Step 6: Final answer
   x = 1,553.01