Finding the Fourth Proportional to 1,207.34, 1,808.49 and 1,061.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,207.34 : 1,808.49 = 1,061.27 : x
2. Step 2: Convert to fraction form
   1,207.34/1,808.49 = 1,061.27/x
3. Step 3: Cross multiply
   1,207.34x = 1,808.49 × 1,061.27
4. Step 4: Simplify right side
   1,207.34x = 1,919,296.18
5. Step 5: Solve for x
   x = 1,919,296.18/1,207.34
6. Step 6: Final answer
   x = 1,589.69