Finding the Fourth Proportional to 2,422.47, 3,342.49 and 1,427.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,422.47 : 3,342.49 = 1,427.38 : x
2. Step 2: Convert to fraction form
   2,422.47/3,342.49 = 1,427.38/x
3. Step 3: Cross multiply
   2,422.47x = 3,342.49 × 1,427.38
4. Step 4: Simplify right side
   2,422.47x = 4,771,003.38
5. Step 5: Solve for x
   x = 4,771,003.38/2,422.47
6. Step 6: Final answer
   x = 1,969.48