Finding the Fourth Proportional to 3,608.81, 5,412.25 and 1,417.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,608.81 : 5,412.25 = 1,417.55 : x
2. Step 2: Convert to fraction form
   3,608.81/5,412.25 = 1,417.55/x
3. Step 3: Cross multiply
   3,608.81x = 5,412.25 × 1,417.55
4. Step 4: Simplify right side
   3,608.81x = 7,672,150.29
5. Step 5: Solve for x
   x = 7,672,150.29/3,608.81
6. Step 6: Final answer
   x = 2,125.95