Finding the Fourth Proportional to 1,997.76, 2,995.20 and 1,023.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,997.76 : 2,995.20 = 1,023.12 : x
2. Step 2: Convert to fraction form
   1,997.76/2,995.20 = 1,023.12/x
3. Step 3: Cross multiply
   1,997.76x = 2,995.20 × 1,023.12
4. Step 4: Simplify right side
   1,997.76x = 3,064,449.02
5. Step 5: Solve for x
   x = 3,064,449.02/1,997.76
6. Step 6: Final answer
   x = 1,533.94