Finding the Fourth Proportional to 13,249.98, 19,872.81 and 4,928.04

Step by Step Solution

1. Step 1: Write the proportion equation
   13,249.98 : 19,872.81 = 4,928.04 : x
2. Step 2: Convert to fraction form
   13,249.98/19,872.81 = 4,928.04/x
3. Step 3: Cross multiply
   13,249.98x = 19,872.81 × 4,928.04
4. Step 4: Simplify right side
   13,249.98x = 97,934,002.59
5. Step 5: Solve for x
   x = 97,934,002.59/13,249.98
6. Step 6: Final answer
   x = 7,391.26