Finding the Fourth Proportional to 13,004.88, 19,499.12 and 5,504.55

Step by Step Solution

1. Step 1: Write the proportion equation
   13,004.88 : 19,499.12 = 5,504.55 : x
2. Step 2: Convert to fraction form
   13,004.88/19,499.12 = 5,504.55/x
3. Step 3: Cross multiply
   13,004.88x = 19,499.12 × 5,504.55
4. Step 4: Simplify right side
   13,004.88x = 107,333,853.47
5. Step 5: Solve for x
   x = 107,333,853.47/13,004.88
6. Step 6: Final answer
   x = 8,253.35