Finding the Fourth Proportional to 494,003, 681,724.86 and 267,648.50

Step by Step Solution

1. Step 1: Write the proportion equation
   494,003 : 681,724.86 = 267,648.50 : x
2. Step 2: Convert to fraction form
   494,003/681,724.86 = 267,648.50/x
3. Step 3: Cross multiply
   494,003x = 681,724.86 × 267,648.50
4. Step 4: Simplify right side
   494,003x = 182,462,636,191.71
5. Step 5: Solve for x
   x = 182,462,636,191.71/494,003
6. Step 6: Final answer
   x = 369,355.32