Finding the Fourth Proportional to 1,076.15, 1,605.49 and 1,062.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076.15 : 1,605.49 = 1,062.34 : x
2. Step 2: Convert to fraction form
   1,076.15/1,605.49 = 1,062.34/x
3. Step 3: Cross multiply
   1,076.15x = 1,605.49 × 1,062.34
4. Step 4: Simplify right side
   1,076.15x = 1,705,569.58
5. Step 5: Solve for x
   x = 1,705,569.58/1,076.15
6. Step 6: Final answer
   x = 1,584.88