Finding the Fourth Proportional to 21,854,413.82, 30,158,298.91 and 12,064,647.31

Step by Step Solution

1. Step 1: Write the proportion equation
   21,854,413.82 : 30,158,298.91 = 12,064,647.31 : x
2. Step 2: Convert to fraction form
   21,854,413.82/30,158,298.91 = 12,064,647.31/x
3. Step 3: Cross multiply
   21,854,413.82x = 30,158,298.91 × 12,064,647.31
4. Step 4: Simplify right side
   21,854,413.82x = 363,849,239,818,707.44
5. Step 5: Solve for x
   x = 363,849,239,818,707.44/21,854,413.82
6. Step 6: Final answer
   x = 16,648,775.98