Finding the Fourth Proportional to 33,428.86, 50,146.48 and 9,413.10

Step by Step Solution

1. Step 1: Write the proportion equation
   33,428.86 : 50,146.48 = 9,413.10 : x
2. Step 2: Convert to fraction form
   33,428.86/50,146.48 = 9,413.10/x
3. Step 3: Cross multiply
   33,428.86x = 50,146.48 × 9,413.10
4. Step 4: Simplify right side
   33,428.86x = 472,033,830.89
5. Step 5: Solve for x
   x = 472,033,830.89/33,428.86
6. Step 6: Final answer
   x = 14,120.55