Finding the Fourth Proportional to 2,308.42, 3,184.68 and 1,610.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308.42 : 3,184.68 = 1,610.20 : x
2. Step 2: Convert to fraction form
   2,308.42/3,184.68 = 1,610.20/x
3. Step 3: Cross multiply
   2,308.42x = 3,184.68 × 1,610.20
4. Step 4: Simplify right side
   2,308.42x = 5,127,971.74
5. Step 5: Solve for x
   x = 5,127,971.74/2,308.42
6. Step 6: Final answer
   x = 2,221.42