Finding the Fourth Proportional to 11,978,413.36, 17,970,643.82 and 3,342,506.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,978,413.36 : 17,970,643.82 = 3,342,506.56 : x
2. Step 2: Convert to fraction form
   11,978,413.36/17,970,643.82 = 3,342,506.56/x
3. Step 3: Cross multiply
   11,978,413.36x = 17,970,643.82 × 3,342,506.56
4. Step 4: Simplify right side
   11,978,413.36x = 60,066,994,855,773.46
5. Step 5: Solve for x
   x = 60,066,994,855,773.46/11,978,413.36
6. Step 6: Final answer
   x = 5,014,603.61