Finding the Fourth Proportional to 1,222.23, 1,831.98 and 527.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,222.23 : 1,831.98 = 527.86 : x
2. Step 2: Convert to fraction form
   1,222.23/1,831.98 = 527.86/x
3. Step 3: Cross multiply
   1,222.23x = 1,831.98 × 527.86
4. Step 4: Simplify right side
   1,222.23x = 967,031.39
5. Step 5: Solve for x
   x = 967,031.39/1,222.23
6. Step 6: Final answer
   x = 791.20