Finding the Fourth Proportional to 1,961.33, 2,705.54 and 1,164.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,961.33 : 2,705.54 = 1,164.42 : x
2. Step 2: Convert to fraction form
   1,961.33/2,705.54 = 1,164.42/x
3. Step 3: Cross multiply
   1,961.33x = 2,705.54 × 1,164.42
4. Step 4: Simplify right side
   1,961.33x = 3,150,379.06
5. Step 5: Solve for x
   x = 3,150,379.06/1,961.33
6. Step 6: Final answer
   x = 1,606.25