Finding the Fourth Proportional to 78,413.10, 117,624.16 and 22,248.81

Step by Step Solution

1. Step 1: Write the proportion equation
   78,413.10 : 117,624.16 = 22,248.81 : x
2. Step 2: Convert to fraction form
   78,413.10/117,624.16 = 22,248.81/x
3. Step 3: Cross multiply
   78,413.10x = 117,624.16 × 22,248.81
4. Step 4: Simplify right side
   78,413.10x = 2,616,997,972.72
5. Step 5: Solve for x
   x = 2,616,997,972.72/78,413.10
6. Step 6: Final answer
   x = 33,374.50