Finding the Fourth Proportional to 1,997.59, 2,756.43 and 1,113.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,997.59 : 2,756.43 = 1,113.45 : x
2. Step 2: Convert to fraction form
   1,997.59/2,756.43 = 1,113.45/x
3. Step 3: Cross multiply
   1,997.59x = 2,756.43 × 1,113.45
4. Step 4: Simplify right side
   1,997.59x = 3,069,146.98
5. Step 5: Solve for x
   x = 3,069,146.98/1,997.59
6. Step 6: Final answer
   x = 1,536.42