Finding the Fourth Proportional to 139,422.29, 209,133.63 and 34,241.36

Step by Step Solution

1. Step 1: Write the proportion equation
   139,422.29 : 209,133.63 = 34,241.36 : x
2. Step 2: Convert to fraction form
   139,422.29/209,133.63 = 34,241.36/x
3. Step 3: Cross multiply
   139,422.29x = 209,133.63 × 34,241.36
4. Step 4: Simplify right side
   139,422.29x = 7,161,018,867.27
5. Step 5: Solve for x
   x = 7,161,018,867.27/139,422.29
6. Step 6: Final answer
   x = 51,362.08