Finding the Fourth Proportional to 1,997.48, 2,756.52 and 1,158.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,997.48 : 2,756.52 = 1,158.35 : x
2. Step 2: Convert to fraction form
   1,997.48/2,756.52 = 1,158.35/x
3. Step 3: Cross multiply
   1,997.48x = 2,756.52 × 1,158.35
4. Step 4: Simplify right side
   1,997.48x = 3,193,001.16
5. Step 5: Solve for x
   x = 3,193,001.16/1,997.48
6. Step 6: Final answer
   x = 1,598.52