Finding the Fourth Proportional to 152,887.38, 229,413.56 and 89,830.71

Step by Step Solution

1. Step 1: Write the proportion equation
   152,887.38 : 229,413.56 = 89,830.71 : x
2. Step 2: Convert to fraction form
   152,887.38/229,413.56 = 89,830.71/x
3. Step 3: Cross multiply
   152,887.38x = 229,413.56 × 89,830.71
4. Step 4: Simplify right side
   152,887.38x = 20,608,382,529.27
5. Step 5: Solve for x
   x = 20,608,382,529.27/152,887.38
6. Step 6: Final answer
   x = 134,794.53