Finding the Fourth Proportional to 2,075.01, 3,108.20 and 1,611.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,075.01 : 3,108.20 = 1,611.15 : x
2. Step 2: Convert to fraction form
   2,075.01/3,108.20 = 1,611.15/x
3. Step 3: Cross multiply
   2,075.01x = 3,108.20 × 1,611.15
4. Step 4: Simplify right side
   2,075.01x = 5,007,768.37
5. Step 5: Solve for x
   x = 5,007,768.37/2,075.01
6. Step 6: Final answer
   x = 2,413.37