Finding the Fourth Proportional to 5,422.25, 7,482.71 and 2,938.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,422.25 : 7,482.71 = 2,938.25 : x
2. Step 2: Convert to fraction form
   5,422.25/7,482.71 = 2,938.25/x
3. Step 3: Cross multiply
   5,422.25x = 7,482.71 × 2,938.25
4. Step 4: Simplify right side
   5,422.25x = 21,986,072.66
5. Step 5: Solve for x
   x = 21,986,072.66/5,422.25
6. Step 6: Final answer
   x = 4,054.79