Finding the Fourth Proportional to 13,105.13, 19,662.96 and 4,785.71

Step by Step Solution

1. Step 1: Write the proportion equation
   13,105.13 : 19,662.96 = 4,785.71 : x
2. Step 2: Convert to fraction form
   13,105.13/19,662.96 = 4,785.71/x
3. Step 3: Cross multiply
   13,105.13x = 19,662.96 × 4,785.71
4. Step 4: Simplify right side
   13,105.13x = 94,101,224.30
5. Step 5: Solve for x
   x = 94,101,224.30/13,105.13
6. Step 6: Final answer
   x = 7,180.49