Finding the Fourth Proportional to 1,451.22, 2,003.72 and 892.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,451.22 : 2,003.72 = 892.44 : x
2. Step 2: Convert to fraction form
   1,451.22/2,003.72 = 892.44/x
3. Step 3: Cross multiply
   1,451.22x = 2,003.72 × 892.44
4. Step 4: Simplify right side
   1,451.22x = 1,788,189.86
5. Step 5: Solve for x
   x = 1,788,189.86/1,451.22
6. Step 6: Final answer
   x = 1,232.20