Finding the Fourth Proportional to 2,271.66, 3,131.64 and 1,610.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,271.66 : 3,131.64 = 1,610.02 : x
2. Step 2: Convert to fraction form
   2,271.66/3,131.64 = 1,610.02/x
3. Step 3: Cross multiply
   2,271.66x = 3,131.64 × 1,610.02
4. Step 4: Simplify right side
   2,271.66x = 5,042,006.95
5. Step 5: Solve for x
   x = 5,042,006.95/2,271.66
6. Step 6: Final answer
   x = 2,219.53