Finding the Fourth Proportional to 85,365.86, 127,943.89 and 60,413.00

Step by Step Solution

1. Step 1: Write the proportion equation
   85,365.86 : 127,943.89 = 60,413.00 : x
2. Step 2: Convert to fraction form
   85,365.86/127,943.89 = 60,413.00/x
3. Step 3: Cross multiply
   85,365.86x = 127,943.89 × 60,413.00
4. Step 4: Simplify right side
   85,365.86x = 7,729,473,435.82
5. Step 5: Solve for x
   x = 7,729,473,435.82/85,365.86
6. Step 6: Final answer
   x = 90,545.26