Finding the Fourth Proportional to 17,561.75, 26,342.64 and 7,173.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,561.75 : 26,342.64 = 7,173.50 : x
2. Step 2: Convert to fraction form
   17,561.75/26,342.64 = 7,173.50/x
3. Step 3: Cross multiply
   17,561.75x = 26,342.64 × 7,173.50
4. Step 4: Simplify right side
   17,561.75x = 188,968,796.33
5. Step 5: Solve for x
   x = 188,968,796.33/17,561.75
6. Step 6: Final answer
   x = 10,760.25