Finding the Fourth Proportional to 2,023.86, 3,034.47 and 636.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,023.86 : 3,034.47 = 636.78 : x
2. Step 2: Convert to fraction form
   2,023.86/3,034.47 = 636.78/x
3. Step 3: Cross multiply
   2,023.86x = 3,034.47 × 636.78
4. Step 4: Simplify right side
   2,023.86x = 1,932,289.81
5. Step 5: Solve for x
   x = 1,932,289.81/2,023.86
6. Step 6: Final answer
   x = 954.75