Finding the Fourth Proportional to 1,471.08, 2,196.09 and 1,419.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,471.08 : 2,196.09 = 1,419.78 : x
2. Step 2: Convert to fraction form
   1,471.08/2,196.09 = 1,419.78/x
3. Step 3: Cross multiply
   1,471.08x = 2,196.09 × 1,419.78
4. Step 4: Simplify right side
   1,471.08x = 3,117,964.66
5. Step 5: Solve for x
   x = 3,117,964.66/1,471.08
6. Step 6: Final answer
   x = 2,119.51