Finding the Fourth Proportional to 13,175, 19,771.10 and 4,855.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,175 : 19,771.10 = 4,855.10 : x
2. Step 2: Convert to fraction form
   13,175/19,771.10 = 4,855.10/x
3. Step 3: Cross multiply
   13,175x = 19,771.10 × 4,855.10
4. Step 4: Simplify right side
   13,175x = 95,990,667.61
5. Step 5: Solve for x
   x = 95,990,667.61/13,175
6. Step 6: Final answer
   x = 7,285.82