Finding the Fourth Proportional to 8,413.82, 12,620.70 and 3,970.01

Step by Step Solution

1. Step 1: Write the proportion equation
   8,413.82 : 12,620.70 = 3,970.01 : x
2. Step 2: Convert to fraction form
   8,413.82/12,620.70 = 3,970.01/x
3. Step 3: Cross multiply
   8,413.82x = 12,620.70 × 3,970.01
4. Step 4: Simplify right side
   8,413.82x = 50,104,242.10
5. Step 5: Solve for x
   x = 50,104,242.10/8,413.82
6. Step 6: Final answer
   x = 5,955.00