Finding the Fourth Proportional to 2,154.16, 3,230.42 and 1,697.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,154.16 : 3,230.42 = 1,697.32 : x
2. Step 2: Convert to fraction form
   2,154.16/3,230.42 = 1,697.32/x
3. Step 3: Cross multiply
   2,154.16x = 3,230.42 × 1,697.32
4. Step 4: Simplify right side
   2,154.16x = 5,483,056.47
5. Step 5: Solve for x
   x = 5,483,056.47/2,154.16
6. Step 6: Final answer
   x = 2,545.33