Finding the Fourth Proportional to 2,665.06, 3,997.88 and 1,023

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665.06 : 3,997.88 = 1,023 : x
2. Step 2: Convert to fraction form
   2,665.06/3,997.88 = 1,023/x
3. Step 3: Cross multiply
   2,665.06x = 3,997.88 × 1,023
4. Step 4: Simplify right side
   2,665.06x = 4,089,831.24
5. Step 5: Solve for x
   x = 4,089,831.24/2,665.06
6. Step 6: Final answer
   x = 1,534.61