Finding the Fourth Proportional to 139,222.45, 208,831.62 and 34,042.33

Step by Step Solution

1. Step 1: Write the proportion equation
   139,222.45 : 208,831.62 = 34,042.33 : x
2. Step 2: Convert to fraction form
   139,222.45/208,831.62 = 34,042.33/x
3. Step 3: Cross multiply
   139,222.45x = 208,831.62 × 34,042.33
4. Step 4: Simplify right side
   139,222.45x = 7,109,113,945.01
5. Step 5: Solve for x
   x = 7,109,113,945.01/139,222.45
6. Step 6: Final answer
   x = 51,062.99