Finding the Fourth Proportional to 56,096, 77,413.94 and 30,602.78

Step by Step Solution

1. Step 1: Write the proportion equation
   56,096 : 77,413.94 = 30,602.78 : x
2. Step 2: Convert to fraction form
   56,096/77,413.94 = 30,602.78/x
3. Step 3: Cross multiply
   56,096x = 77,413.94 × 30,602.78
4. Step 4: Simplify right side
   56,096x = 2,369,081,774.75
5. Step 5: Solve for x
   x = 2,369,081,774.75/56,096
6. Step 6: Final answer
   x = 42,232.63