Finding the Fourth Proportional to 1,997.82, 2,990.52 and 1,266.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,997.82 : 2,990.52 = 1,266.30 : x
2. Step 2: Convert to fraction form
   1,997.82/2,990.52 = 1,266.30/x
3. Step 3: Cross multiply
   1,997.82x = 2,990.52 × 1,266.30
4. Step 4: Simplify right side
   1,997.82x = 3,786,895.48
5. Step 5: Solve for x
   x = 3,786,895.48/1,997.82
6. Step 6: Final answer
   x = 1,895.51