Finding the Fourth Proportional to 109,719.56, 151,413.60 and 59,418.56

Step by Step Solution

1. Step 1: Write the proportion equation
   109,719.56 : 151,413.60 = 59,418.56 : x
2. Step 2: Convert to fraction form
   109,719.56/151,413.60 = 59,418.56/x
3. Step 3: Cross multiply
   109,719.56x = 151,413.60 × 59,418.56
4. Step 4: Simplify right side
   109,719.56x = 8,996,778,076.42
5. Step 5: Solve for x
   x = 8,996,778,076.42/109,719.56
6. Step 6: Final answer
   x = 81,997.94