Finding the Fourth Proportional to 2,343.32, 3,515.55 and 699.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,343.32 : 3,515.55 = 699.86 : x
2. Step 2: Convert to fraction form
   2,343.32/3,515.55 = 699.86/x
3. Step 3: Cross multiply
   2,343.32x = 3,515.55 × 699.86
4. Step 4: Simplify right side
   2,343.32x = 2,460,392.82
5. Step 5: Solve for x
   x = 2,460,392.82/2,343.32
6. Step 6: Final answer
   x = 1,049.96