Finding the Fourth Proportional to 1,471.42, 2,196.12 and 1,447.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,471.42 : 2,196.12 = 1,447.12 : x
2. Step 2: Convert to fraction form
   1,471.42/2,196.12 = 1,447.12/x
3. Step 3: Cross multiply
   1,471.42x = 2,196.12 × 1,447.12
4. Step 4: Simplify right side
   1,471.42x = 3,178,049.17
5. Step 5: Solve for x
   x = 3,178,049.17/1,471.42
6. Step 6: Final answer
   x = 2,159.85