Finding the Fourth Proportional to 1,997.83, 2,756.73 and 1,113.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,997.83 : 2,756.73 = 1,113.67 : x
2. Step 2: Convert to fraction form
   1,997.83/2,756.73 = 1,113.67/x
3. Step 3: Cross multiply
   1,997.83x = 2,756.73 × 1,113.67
4. Step 4: Simplify right side
   1,997.83x = 3,070,087.50
5. Step 5: Solve for x
   x = 3,070,087.50/1,997.83
6. Step 6: Final answer
   x = 1,536.71