Finding the Fourth Proportional to 53,147.25, 79,724.52 and 17,608.50

Step by Step Solution

1. Step 1: Write the proportion equation
   53,147.25 : 79,724.52 = 17,608.50 : x
2. Step 2: Convert to fraction form
   53,147.25/79,724.52 = 17,608.50/x
3. Step 3: Cross multiply
   53,147.25x = 79,724.52 × 17,608.50
4. Step 4: Simplify right side
   53,147.25x = 1,403,829,210.42
5. Step 5: Solve for x
   x = 1,403,829,210.42/53,147.25
6. Step 6: Final answer
   x = 26,413.96