Finding the Fourth Proportional to 3,996.88, 5,995.34 and 1,223.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,996.88 : 5,995.34 = 1,223.42 : x
2. Step 2: Convert to fraction form
   3,996.88/5,995.34 = 1,223.42/x
3. Step 3: Cross multiply
   3,996.88x = 5,995.34 × 1,223.42
4. Step 4: Simplify right side
   3,996.88x = 7,334,818.86
5. Step 5: Solve for x
   x = 7,334,818.86/3,996.88
6. Step 6: Final answer
   x = 1,835.14