Finding the Fourth Proportional to 2,422.38, 3,343.29 and 1,427.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,422.38 : 3,343.29 = 1,427.91 : x
2. Step 2: Convert to fraction form
   2,422.38/3,343.29 = 1,427.91/x
3. Step 3: Cross multiply
   2,422.38x = 3,343.29 × 1,427.91
4. Step 4: Simplify right side
   2,422.38x = 4,773,917.22
5. Step 5: Solve for x
   x = 4,773,917.22/2,422.38
6. Step 6: Final answer
   x = 1,970.75