Finding the Fourth Proportional to 1,609.08, 2,406.32 and 1,238.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,609.08 : 2,406.32 = 1,238.82 : x
2. Step 2: Convert to fraction form
   1,609.08/2,406.32 = 1,238.82/x
3. Step 3: Cross multiply
   1,609.08x = 2,406.32 × 1,238.82
4. Step 4: Simplify right side
   1,609.08x = 2,980,997.34
5. Step 5: Solve for x
   x = 2,980,997.34/1,609.08
6. Step 6: Final answer
   x = 1,852.61