Finding the Fourth Proportional to 2,422.08, 3,342.72 and 1,374.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,422.08 : 3,342.72 = 1,374.72 : x
2. Step 2: Convert to fraction form
   2,422.08/3,342.72 = 1,374.72/x
3. Step 3: Cross multiply
   2,422.08x = 3,342.72 × 1,374.72
4. Step 4: Simplify right side
   2,422.08x = 4,595,304.04
5. Step 5: Solve for x
   x = 4,595,304.04/2,422.08
6. Step 6: Final answer
   x = 1,897.26