Finding the Fourth Proportional to 407,233.88, 562,034.18 and 267,650.42

Step by Step Solution

1. Step 1: Write the proportion equation
   407,233.88 : 562,034.18 = 267,650.42 : x
2. Step 2: Convert to fraction form
   407,233.88/562,034.18 = 267,650.42/x
3. Step 3: Cross multiply
   407,233.88x = 562,034.18 × 267,650.42
4. Step 4: Simplify right side
   407,233.88x = 150,428,682,993.10
5. Step 5: Solve for x
   x = 150,428,682,993.10/407,233.88
6. Step 6: Final answer
   x = 369,391.38