Finding the Fourth Proportional to 1,793.61, 2,689.74 and 697.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,793.61 : 2,689.74 = 697.86 : x
2. Step 2: Convert to fraction form
   1,793.61/2,689.74 = 697.86/x
3. Step 3: Cross multiply
   1,793.61x = 2,689.74 × 697.86
4. Step 4: Simplify right side
   1,793.61x = 1,877,061.96
5. Step 5: Solve for x
   x = 1,877,061.96/1,793.61
6. Step 6: Final answer
   x = 1,046.53