Finding the Fourth Proportional to 12,373.32, 18,561.72 and 3,608.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,373.32 : 18,561.72 = 3,608.88 : x
2. Step 2: Convert to fraction form
   12,373.32/18,561.72 = 3,608.88/x
3. Step 3: Cross multiply
   12,373.32x = 18,561.72 × 3,608.88
4. Step 4: Simplify right side
   12,373.32x = 66,987,020.07
5. Step 5: Solve for x
   x = 66,987,020.07/12,373.32
6. Step 6: Final answer
   x = 5,413.83