Finding the Fourth Proportional to 1,997.62, 2,756.82 and 1,113.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,997.62 : 2,756.82 = 1,113.40 : x
2. Step 2: Convert to fraction form
   1,997.62/2,756.82 = 1,113.40/x
3. Step 3: Cross multiply
   1,997.62x = 2,756.82 × 1,113.40
4. Step 4: Simplify right side
   1,997.62x = 3,069,443.39
5. Step 5: Solve for x
   x = 3,069,443.39/1,997.62
6. Step 6: Final answer
   x = 1,536.55