Finding the Fourth Proportional to 13,170, 19,763.59 and 4,850.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,170 : 19,763.59 = 4,850.10 : x
2. Step 2: Convert to fraction form
   13,170/19,763.59 = 4,850.10/x
3. Step 3: Cross multiply
   13,170x = 19,763.59 × 4,850.10
4. Step 4: Simplify right side
   13,170x = 95,855,387.86
5. Step 5: Solve for x
   x = 95,855,387.86/13,170
6. Step 6: Final answer
   x = 7,278.31