Finding the Fourth Proportional to 2,191.36, 3,282.70 and 1,266.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191.36 : 3,282.70 = 1,266.34 : x
2. Step 2: Convert to fraction form
   2,191.36/3,282.70 = 1,266.34/x
3. Step 3: Cross multiply
   2,191.36x = 3,282.70 × 1,266.34
4. Step 4: Simplify right side
   2,191.36x = 4,157,014.32
5. Step 5: Solve for x
   x = 4,157,014.32/2,191.36
6. Step 6: Final answer
   x = 1,897.00