Finding the Fourth Proportional to 77,608.18, 107,014.53 and 52,413.94

Step by Step Solution

1. Step 1: Write the proportion equation
   77,608.18 : 107,014.53 = 52,413.94 : x
2. Step 2: Convert to fraction form
   77,608.18/107,014.53 = 52,413.94/x
3. Step 3: Cross multiply
   77,608.18x = 107,014.53 × 52,413.94
4. Step 4: Simplify right side
   77,608.18x = 5,609,053,154.55
5. Step 5: Solve for x
   x = 5,609,053,154.55/77,608.18
6. Step 6: Final answer
   x = 72,273.99