Finding the Fourth Proportional to 1,256.22, 1,732.83 and 925.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,256.22 : 1,732.83 = 925.50 : x
2. Step 2: Convert to fraction form
   1,256.22/1,732.83 = 925.50/x
3. Step 3: Cross multiply
   1,256.22x = 1,732.83 × 925.50
4. Step 4: Simplify right side
   1,256.22x = 1,603,734.17
5. Step 5: Solve for x
   x = 1,603,734.17/1,256.22
6. Step 6: Final answer
   x = 1,276.63