Finding the Fourth Proportional to 139,422.73, 209,134.79 and 34,241.71

Step by Step Solution

1. Step 1: Write the proportion equation
   139,422.73 : 209,134.79 = 34,241.71 : x
2. Step 2: Convert to fraction form
   139,422.73/209,134.79 = 34,241.71/x
3. Step 3: Cross multiply
   139,422.73x = 209,134.79 × 34,241.71
4. Step 4: Simplify right side
   139,422.73x = 7,161,132,830.09
5. Step 5: Solve for x
   x = 7,161,132,830.09/139,422.73
6. Step 6: Final answer
   x = 51,362.74