Finding the Fourth Proportional to 1,693.27, 2,336.69 and 926.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,693.27 : 2,336.69 = 926.74 : x
2. Step 2: Convert to fraction form
   1,693.27/2,336.69 = 926.74/x
3. Step 3: Cross multiply
   1,693.27x = 2,336.69 × 926.74
4. Step 4: Simplify right side
   1,693.27x = 2,165,487.77
5. Step 5: Solve for x
   x = 2,165,487.77/1,693.27
6. Step 6: Final answer
   x = 1,278.88