Finding the Fourth Proportional to 3,023.31, 4,172.31 and 1,697.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,023.31 : 4,172.31 = 1,697.25 : x
2. Step 2: Convert to fraction form
   3,023.31/4,172.31 = 1,697.25/x
3. Step 3: Cross multiply
   3,023.31x = 4,172.31 × 1,697.25
4. Step 4: Simplify right side
   3,023.31x = 7,081,453.15
5. Step 5: Solve for x
   x = 7,081,453.15/3,023.31
6. Step 6: Final answer
   x = 2,342.28