Finding the Fourth Proportional to 2,071.86, 3,108.90 and 1,610.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071.86 : 3,108.90 = 1,610.56 : x
2. Step 2: Convert to fraction form
   2,071.86/3,108.90 = 1,610.56/x
3. Step 3: Cross multiply
   2,071.86x = 3,108.90 × 1,610.56
4. Step 4: Simplify right side
   2,071.86x = 5,007,069.98
5. Step 5: Solve for x
   x = 5,007,069.98/2,071.86
6. Step 6: Final answer
   x = 2,416.70