Finding the Fourth Proportional to 151,095.85, 208,512.72 and 83,119.78

Step by Step Solution

1. Step 1: Write the proportion equation
   151,095.85 : 208,512.72 = 83,119.78 : x
2. Step 2: Convert to fraction form
   151,095.85/208,512.72 = 83,119.78/x
3. Step 3: Cross multiply
   151,095.85x = 208,512.72 × 83,119.78
4. Step 4: Simplify right side
   151,095.85x = 17,331,531,413.60
5. Step 5: Solve for x
   x = 17,331,531,413.60/151,095.85
6. Step 6: Final answer
   x = 114,705.54