Finding the Fourth Proportional to 2,341.86, 3,512.47 and 698.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,341.86 : 3,512.47 = 698.10 : x
2. Step 2: Convert to fraction form
   2,341.86/3,512.47 = 698.10/x
3. Step 3: Cross multiply
   2,341.86x = 3,512.47 × 698.10
4. Step 4: Simplify right side
   2,341.86x = 2,452,055.31
5. Step 5: Solve for x
   x = 2,452,055.31/2,341.86
6. Step 6: Final answer
   x = 1,047.05