Finding the Fourth Proportional to 1,997.31, 2,995.59 and 610.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,997.31 : 2,995.59 = 610.27 : x
2. Step 2: Convert to fraction form
   1,997.31/2,995.59 = 610.27/x
3. Step 3: Cross multiply
   1,997.31x = 2,995.59 × 610.27
4. Step 4: Simplify right side
   1,997.31x = 1,828,118.71
5. Step 5: Solve for x
   x = 1,828,118.71/1,997.31
6. Step 6: Final answer
   x = 915.29