Finding the Fourth Proportional to 1,353.22, 1,867.53 and 763.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,353.22 : 1,867.53 = 763.54 : x
2. Step 2: Convert to fraction form
   1,353.22/1,867.53 = 763.54/x
3. Step 3: Cross multiply
   1,353.22x = 1,867.53 × 763.54
4. Step 4: Simplify right side
   1,353.22x = 1,425,933.86
5. Step 5: Solve for x
   x = 1,425,933.86/1,353.22
6. Step 6: Final answer
   x = 1,053.73