Finding the Fourth Proportional to 12,469.02, 17,208.09 and 7,165.95

Step by Step Solution

1. Step 1: Write the proportion equation
   12,469.02 : 17,208.09 = 7,165.95 : x
2. Step 2: Convert to fraction form
   12,469.02/17,208.09 = 7,165.95/x
3. Step 3: Cross multiply
   12,469.02x = 17,208.09 × 7,165.95
4. Step 4: Simplify right side
   12,469.02x = 123,312,312.54
5. Step 5: Solve for x
   x = 123,312,312.54/12,469.02
6. Step 6: Final answer
   x = 9,889.50