Finding the Fourth Proportional to 12,504.04, 17,247.60 and 9,513.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,504.04 : 17,247.60 = 9,513.32 : x
2. Step 2: Convert to fraction form
   12,504.04/17,247.60 = 9,513.32/x
3. Step 3: Cross multiply
   12,504.04x = 17,247.60 × 9,513.32
4. Step 4: Simplify right side
   12,504.04x = 164,081,938.03
5. Step 5: Solve for x
   x = 164,081,938.03/12,504.04
6. Step 6: Final answer
   x = 13,122.31