Finding the Fourth Proportional to 1,791.34, 2,686.33 and 1,061.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,791.34 : 2,686.33 = 1,061.12 : x
2. Step 2: Convert to fraction form
   1,791.34/2,686.33 = 1,061.12/x
3. Step 3: Cross multiply
   1,791.34x = 2,686.33 × 1,061.12
4. Step 4: Simplify right side
   1,791.34x = 2,850,518.49
5. Step 5: Solve for x
   x = 2,850,518.49/1,791.34
6. Step 6: Final answer
   x = 1,591.28