Finding the Fourth Proportional to 146,413.64, 202,111.47 and 89,071.58

Step by Step Solution

1. Step 1: Write the proportion equation
   146,413.64 : 202,111.47 = 89,071.58 : x
2. Step 2: Convert to fraction form
   146,413.64/202,111.47 = 89,071.58/x
3. Step 3: Cross multiply
   146,413.64x = 202,111.47 × 89,071.58
4. Step 4: Simplify right side
   146,413.64x = 18,002,388,474.30
5. Step 5: Solve for x
   x = 18,002,388,474.30/146,413.64
6. Step 6: Final answer
   x = 122,955.68