Finding the Fourth Proportional to 1,997.82, 2,986.87 and 1,693.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,997.82 : 2,986.87 = 1,693.08 : x
2. Step 2: Convert to fraction form
   1,997.82/2,986.87 = 1,693.08/x
3. Step 3: Cross multiply
   1,997.82x = 2,986.87 × 1,693.08
4. Step 4: Simplify right side
   1,997.82x = 5,057,009.86
5. Step 5: Solve for x
   x = 5,057,009.86/1,997.82
6. Step 6: Final answer
   x = 2,531.26