Finding the Fourth Proportional to 1,997.52, 2,756.39 and 1,113.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,997.52 : 2,756.39 = 1,113.30 : x
2. Step 2: Convert to fraction form
   1,997.52/2,756.39 = 1,113.30/x
3. Step 3: Cross multiply
   1,997.52x = 2,756.39 × 1,113.30
4. Step 4: Simplify right side
   1,997.52x = 3,068,688.99
5. Step 5: Solve for x
   x = 3,068,688.99/1,997.52
6. Step 6: Final answer
   x = 1,536.25