Finding the Fourth Proportional to 1,092.07, 1,507.98 and 926.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,092.07 : 1,507.98 = 926.83 : x
2. Step 2: Convert to fraction form
   1,092.07/1,507.98 = 926.83/x
3. Step 3: Cross multiply
   1,092.07x = 1,507.98 × 926.83
4. Step 4: Simplify right side
   1,092.07x = 1,397,641.10
5. Step 5: Solve for x
   x = 1,397,641.10/1,092.07
6. Step 6: Final answer
   x = 1,279.81