Finding the Fourth Proportional to 109,413.77, 150,991.02 and 59,112.77

Step by Step Solution

1. Step 1: Write the proportion equation
   109,413.77 : 150,991.02 = 59,112.77 : x
2. Step 2: Convert to fraction form
   109,413.77/150,991.02 = 59,112.77/x
3. Step 3: Cross multiply
   109,413.77x = 150,991.02 × 59,112.77
4. Step 4: Simplify right side
   109,413.77x = 8,925,496,682.37
5. Step 5: Solve for x
   x = 8,925,496,682.37/109,413.77
6. Step 6: Final answer
   x = 81,575.63