Finding the Fourth Proportional to 13,002.86, 19,500.56 and 4,238.54

Step by Step Solution

1. Step 1: Write the proportion equation
   13,002.86 : 19,500.56 = 4,238.54 : x
2. Step 2: Convert to fraction form
   13,002.86/19,500.56 = 4,238.54/x
3. Step 3: Cross multiply
   13,002.86x = 19,500.56 × 4,238.54
4. Step 4: Simplify right side
   13,002.86x = 82,653,903.58
5. Step 5: Solve for x
   x = 82,653,903.58/13,002.86
6. Step 6: Final answer
   x = 6,356.59