Finding the Fourth Proportional to 1,262.10, 1,892.34 and 531.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,262.10 : 1,892.34 = 531.48 : x
2. Step 2: Convert to fraction form
   1,262.10/1,892.34 = 531.48/x
3. Step 3: Cross multiply
   1,262.10x = 1,892.34 × 531.48
4. Step 4: Simplify right side
   1,262.10x = 1,005,740.86
5. Step 5: Solve for x
   x = 1,005,740.86/1,262.10
6. Step 6: Final answer
   x = 796.88