Finding the Fourth Proportional to 13,028.79, 19,546.83 and 4,269.86

Step by Step Solution

1. Step 1: Write the proportion equation
   13,028.79 : 19,546.83 = 4,269.86 : x
2. Step 2: Convert to fraction form
   13,028.79/19,546.83 = 4,269.86/x
3. Step 3: Cross multiply
   13,028.79x = 19,546.83 × 4,269.86
4. Step 4: Simplify right side
   13,028.79x = 83,462,227.54
5. Step 5: Solve for x
   x = 83,462,227.54/13,028.79
6. Step 6: Final answer
   x = 6,405.98