Finding the Fourth Proportional to 56,097.18, 77,413.86 and 30,603.15

Step by Step Solution

1. Step 1: Write the proportion equation
   56,097.18 : 77,413.86 = 30,603.15 : x
2. Step 2: Convert to fraction form
   56,097.18/77,413.86 = 30,603.15/x
3. Step 3: Cross multiply
   56,097.18x = 77,413.86 × 30,603.15
4. Step 4: Simplify right side
   56,097.18x = 2,369,107,969.66
5. Step 5: Solve for x
   x = 2,369,107,969.66/56,097.18
6. Step 6: Final answer
   x = 42,232.21