Finding the Fourth Proportional to 13,004.56, 19,507.02 and 5,604.40

Step by Step Solution

1. Step 1: Write the proportion equation
   13,004.56 : 19,507.02 = 5,604.40 : x
2. Step 2: Convert to fraction form
   13,004.56/19,507.02 = 5,604.40/x
3. Step 3: Cross multiply
   13,004.56x = 19,507.02 × 5,604.40
4. Step 4: Simplify right side
   13,004.56x = 109,325,142.89
5. Step 5: Solve for x
   x = 109,325,142.89/13,004.56
6. Step 6: Final answer
   x = 8,406.68