Finding the Fourth Proportional to 13,150.21, 19,713.59 and 4,828.32

Step by Step Solution

1. Step 1: Write the proportion equation
   13,150.21 : 19,713.59 = 4,828.32 : x
2. Step 2: Convert to fraction form
   13,150.21/19,713.59 = 4,828.32/x
3. Step 3: Cross multiply
   13,150.21x = 19,713.59 × 4,828.32
4. Step 4: Simplify right side
   13,150.21x = 95,183,520.87
5. Step 5: Solve for x
   x = 95,183,520.87/13,150.21
6. Step 6: Final answer
   x = 7,238.17