Finding the Fourth Proportional to 1,997.60, 2,997 and 1,024.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,997.60 : 2,997 = 1,024.38 : x
2. Step 2: Convert to fraction form
   1,997.60/2,997 = 1,024.38/x
3. Step 3: Cross multiply
   1,997.60x = 2,997 × 1,024.38
4. Step 4: Simplify right side
   1,997.60x = 3,070,066.86
5. Step 5: Solve for x
   x = 3,070,066.86/1,997.60
6. Step 6: Final answer
   x = 1,536.88