Finding the Fourth Proportional to 56,096.22, 77,413.06 and 30,945.72

Step by Step Solution

1. Step 1: Write the proportion equation
   56,096.22 : 77,413.06 = 30,945.72 : x
2. Step 2: Convert to fraction form
   56,096.22/77,413.06 = 30,945.72/x
3. Step 3: Cross multiply
   56,096.22x = 77,413.06 × 30,945.72
4. Step 4: Simplify right side
   56,096.22x = 2,395,602,879.10
5. Step 5: Solve for x
   x = 2,395,602,879.10/56,096.22
6. Step 6: Final answer
   x = 42,705.25