Finding the Fourth Proportional to 31,560.42, 43,553.52 and 17,413.32

Step by Step Solution

1. Step 1: Write the proportion equation
   31,560.42 : 43,553.52 = 17,413.32 : x
2. Step 2: Convert to fraction form
   31,560.42/43,553.52 = 17,413.32/x
3. Step 3: Cross multiply
   31,560.42x = 43,553.52 × 17,413.32
4. Step 4: Simplify right side
   31,560.42x = 758,411,380.89
5. Step 5: Solve for x
   x = 758,411,380.89/31,560.42
6. Step 6: Final answer
   x = 24,030.46