Finding the Fourth Proportional to 147,142.25, 220,413.83 and 134,881.39

Step by Step Solution

1. Step 1: Write the proportion equation
   147,142.25 : 220,413.83 = 134,881.39 : x
2. Step 2: Convert to fraction form
   147,142.25/220,413.83 = 134,881.39/x
3. Step 3: Cross multiply
   147,142.25x = 220,413.83 × 134,881.39
4. Step 4: Simplify right side
   147,142.25x = 29,729,722,663.55
5. Step 5: Solve for x
   x = 29,729,722,663.55/147,142.25
6. Step 6: Final answer
   x = 202,047.50