Finding the Fourth Proportional to 2,130.34, 3,192.56 and 1,609.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,130.34 : 3,192.56 = 1,609.92 : x
2. Step 2: Convert to fraction form
   2,130.34/3,192.56 = 1,609.92/x
3. Step 3: Cross multiply
   2,130.34x = 3,192.56 × 1,609.92
4. Step 4: Simplify right side
   2,130.34x = 5,139,752.21
5. Step 5: Solve for x
   x = 5,139,752.21/2,130.34
6. Step 6: Final answer
   x = 2,412.64