Finding the Fourth Proportional to 1,997.89, 2,757.06 and 1,113.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,997.89 : 2,757.06 = 1,113.69 : x
2. Step 2: Convert to fraction form
   1,997.89/2,757.06 = 1,113.69/x
3. Step 3: Cross multiply
   1,997.89x = 2,757.06 × 1,113.69
4. Step 4: Simplify right side
   1,997.89x = 3,070,510.15
5. Step 5: Solve for x
   x = 3,070,510.15/1,997.89
6. Step 6: Final answer
   x = 1,536.88