Finding the Fourth Proportional to 2,931.42, 4,397.52 and 1,199.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,931.42 : 4,397.52 = 1,199.64 : x
2. Step 2: Convert to fraction form
   2,931.42/4,397.52 = 1,199.64/x
3. Step 3: Cross multiply
   2,931.42x = 4,397.52 × 1,199.64
4. Step 4: Simplify right side
   2,931.42x = 5,275,440.89
5. Step 5: Solve for x
   x = 5,275,440.89/2,931.42
6. Step 6: Final answer
   x = 1,799.62