Finding the Fourth Proportional to 1,997.84, 2,756.92 and 1,113.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,997.84 : 2,756.92 = 1,113.72 : x
2. Step 2: Convert to fraction form
   1,997.84/2,756.92 = 1,113.72/x
3. Step 3: Cross multiply
   1,997.84x = 2,756.92 × 1,113.72
4. Step 4: Simplify right side
   1,997.84x = 3,070,436.94
5. Step 5: Solve for x
   x = 3,070,436.94/1,997.84
6. Step 6: Final answer
   x = 1,536.88