Finding the Fourth Proportional to 12,481.09, 17,222.93 and 7,174.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,481.09 : 17,222.93 = 7,174.88 : x
2. Step 2: Convert to fraction form
   12,481.09/17,222.93 = 7,174.88/x
3. Step 3: Cross multiply
   12,481.09x = 17,222.93 × 7,174.88
4. Step 4: Simplify right side
   12,481.09x = 123,572,425.50
5. Step 5: Solve for x
   x = 123,572,425.50/12,481.09
6. Step 6: Final answer
   x = 9,900.77