Finding the Fourth Proportional to 2,142.02, 2,956.06 and 1,197.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142.02 : 2,956.06 = 1,197.79 : x
2. Step 2: Convert to fraction form
   2,142.02/2,956.06 = 1,197.79/x
3. Step 3: Cross multiply
   2,142.02x = 2,956.06 × 1,197.79
4. Step 4: Simplify right side
   2,142.02x = 3,540,733.21
5. Step 5: Solve for x
   x = 3,540,733.21/2,142.02
6. Step 6: Final answer
   x = 1,652.99