Finding the Fourth Proportional to 12,467.52, 17,206.02 and 7,164.45

Step by Step Solution

1. Step 1: Write the proportion equation
   12,467.52 : 17,206.02 = 7,164.45 : x
2. Step 2: Convert to fraction form
   12,467.52/17,206.02 = 7,164.45/x
3. Step 3: Cross multiply
   12,467.52x = 17,206.02 × 7,164.45
4. Step 4: Simplify right side
   12,467.52x = 123,271,669.99
5. Step 5: Solve for x
   x = 123,271,669.99/12,467.52
6. Step 6: Final answer
   x = 9,887.43