Finding the Fourth Proportional to 1,421.31, 1,959.48 and 1,062.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,421.31 : 1,959.48 = 1,062.08 : x
2. Step 2: Convert to fraction form
   1,421.31/1,959.48 = 1,062.08/x
3. Step 3: Cross multiply
   1,421.31x = 1,959.48 × 1,062.08
4. Step 4: Simplify right side
   1,421.31x = 2,081,114.72
5. Step 5: Solve for x
   x = 2,081,114.72/1,421.31
6. Step 6: Final answer
   x = 1,464.22