Finding the Fourth Proportional to 1,793.56, 2,690.51 and 698.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,793.56 : 2,690.51 = 698.01 : x
2. Step 2: Convert to fraction form
   1,793.56/2,690.51 = 698.01/x
3. Step 3: Cross multiply
   1,793.56x = 2,690.51 × 698.01
4. Step 4: Simplify right side
   1,793.56x = 1,878,002.89
5. Step 5: Solve for x
   x = 1,878,002.89/1,793.56
6. Step 6: Final answer
   x = 1,047.08