Finding the Fourth Proportional to 2,601.47, 3,591.91 and 1,608.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,601.47 : 3,591.91 = 1,608.11 : x
2. Step 2: Convert to fraction form
   2,601.47/3,591.91 = 1,608.11/x
3. Step 3: Cross multiply
   2,601.47x = 3,591.91 × 1,608.11
4. Step 4: Simplify right side
   2,601.47x = 5,776,199.39
5. Step 5: Solve for x
   x = 5,776,199.39/2,601.47
6. Step 6: Final answer
   x = 2,220.36