Finding the Fourth Proportional to 1,945.34, 2,682.80 and 1,449.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,945.34 : 2,682.80 = 1,449.22 : x
2. Step 2: Convert to fraction form
   1,945.34/2,682.80 = 1,449.22/x
3. Step 3: Cross multiply
   1,945.34x = 2,682.80 × 1,449.22
4. Step 4: Simplify right side
   1,945.34x = 3,887,967.42
5. Step 5: Solve for x
   x = 3,887,967.42/1,945.34
6. Step 6: Final answer
   x = 1,998.61