Finding the Fourth Proportional to 93,413.43, 140,120.69 and 76,930.47

Step by Step Solution

1. Step 1: Write the proportion equation
   93,413.43 : 140,120.69 = 76,930.47 : x
2. Step 2: Convert to fraction form
   93,413.43/140,120.69 = 76,930.47/x
3. Step 3: Cross multiply
   93,413.43x = 140,120.69 × 76,930.47
4. Step 4: Simplify right side
   93,413.43x = 10,779,550,153.77
5. Step 5: Solve for x
   x = 10,779,550,153.77/93,413.43
6. Step 6: Final answer
   x = 115,396.15