Finding the Fourth Proportional to 1,997.33, 2,756.32 and 1,113.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,997.33 : 2,756.32 = 1,113.17 : x
2. Step 2: Convert to fraction form
   1,997.33/2,756.32 = 1,113.17/x
3. Step 3: Cross multiply
   1,997.33x = 2,756.32 × 1,113.17
4. Step 4: Simplify right side
   1,997.33x = 3,068,238.95
5. Step 5: Solve for x
   x = 3,068,238.95/1,997.33
6. Step 6: Final answer
   x = 1,536.17