Finding the Fourth Proportional to 71,329.32, 107,004.42 and 21,413.37

Step by Step Solution

1. Step 1: Write the proportion equation
   71,329.32 : 107,004.42 = 21,413.37 : x
2. Step 2: Convert to fraction form
   71,329.32/107,004.42 = 21,413.37/x
3. Step 3: Cross multiply
   71,329.32x = 107,004.42 × 21,413.37
4. Step 4: Simplify right side
   71,329.32x = 2,291,325,237.10
5. Step 5: Solve for x
   x = 2,291,325,237.10/71,329.32
6. Step 6: Final answer
   x = 32,123.19