Finding the Fourth Proportional to 494,062.56, 681,808.72 and 267,708

Step by Step Solution

1. Step 1: Write the proportion equation
   494,062.56 : 681,808.72 = 267,708 : x
2. Step 2: Convert to fraction form
   494,062.56/681,808.72 = 267,708/x
3. Step 3: Cross multiply
   494,062.56x = 681,808.72 × 267,708
4. Step 4: Simplify right side
   494,062.56x = 182,525,648,813.76
5. Step 5: Solve for x
   x = 182,525,648,813.76/494,062.56
6. Step 6: Final answer
   x = 369,438.33