Finding the Fourth Proportional to 21,973,556.82, 30,323,871.36 and 12,184,413.60

Step by Step Solution

1. Step 1: Write the proportion equation
   21,973,556.82 : 30,323,871.36 = 12,184,413.60 : x
2. Step 2: Convert to fraction form
   21,973,556.82/30,323,871.36 = 12,184,413.60/x
3. Step 3: Cross multiply
   21,973,556.82x = 30,323,871.36 × 12,184,413.60
4. Step 4: Simplify right side
   21,973,556.82x = 369,478,590,603,434.50
5. Step 5: Solve for x
   x = 369,478,590,603,434.50/21,973,556.82
6. Step 6: Final answer
   x = 16,814,692.02