Finding the Fourth Proportional to 2,147.82, 3,213.42 and 1,602.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,147.82 : 3,213.42 = 1,602.42 : x
2. Step 2: Convert to fraction form
   2,147.82/3,213.42 = 1,602.42/x
3. Step 3: Cross multiply
   2,147.82x = 3,213.42 × 1,602.42
4. Step 4: Simplify right side
   2,147.82x = 5,149,248.48
5. Step 5: Solve for x
   x = 5,149,248.48/2,147.82
6. Step 6: Final answer
   x = 2,397.43