Finding the Fourth Proportional to 1,997.97, 2,757.22 and 1,113.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,997.97 : 2,757.22 = 1,113.86 : x
2. Step 2: Convert to fraction form
   1,997.97/2,757.22 = 1,113.86/x
3. Step 3: Cross multiply
   1,997.97x = 2,757.22 × 1,113.86
4. Step 4: Simplify right side
   1,997.97x = 3,071,157.07
5. Step 5: Solve for x
   x = 3,071,157.07/1,997.97
6. Step 6: Final answer
   x = 1,537.14