Finding the Fourth Proportional to 78,558.62, 108,413.17 and 42,750.93

Step by Step Solution

1. Step 1: Write the proportion equation
   78,558.62 : 108,413.17 = 42,750.93 : x
2. Step 2: Convert to fraction form
   78,558.62/108,413.17 = 42,750.93/x
3. Step 3: Cross multiply
   78,558.62x = 108,413.17 × 42,750.93
4. Step 4: Simplify right side
   78,558.62x = 4,634,764,141.42
5. Step 5: Solve for x
   x = 4,634,764,141.42/78,558.62
6. Step 6: Final answer
   x = 58,997.53