Finding the Fourth Proportional to 1,997.22, 2,756.18 and 1,113.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,997.22 : 2,756.18 = 1,113.04 : x
2. Step 2: Convert to fraction form
   1,997.22/2,756.18 = 1,113.04/x
3. Step 3: Cross multiply
   1,997.22x = 2,756.18 × 1,113.04
4. Step 4: Simplify right side
   1,997.22x = 3,067,744.82
5. Step 5: Solve for x
   x = 3,067,744.82/1,997.22
6. Step 6: Final answer
   x = 1,536.00