Finding the Fourth Proportional to 2,071.88, 3,111.88 and 1,610.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071.88 : 3,111.88 = 1,610.60 : x
2. Step 2: Convert to fraction form
   2,071.88/3,111.88 = 1,610.60/x
3. Step 3: Cross multiply
   2,071.88x = 3,111.88 × 1,610.60
4. Step 4: Simplify right side
   2,071.88x = 5,011,993.93
5. Step 5: Solve for x
   x = 5,011,993.93/2,071.88
6. Step 6: Final answer
   x = 2,419.06