Finding the Fourth Proportional to 12,356.01, 18,529.29 and 4,456.26

Step by Step Solution

1. Step 1: Write the proportion equation
   12,356.01 : 18,529.29 = 4,456.26 : x
2. Step 2: Convert to fraction form
   12,356.01/18,529.29 = 4,456.26/x
3. Step 3: Cross multiply
   12,356.01x = 18,529.29 × 4,456.26
4. Step 4: Simplify right side
   12,356.01x = 82,571,333.86
5. Step 5: Solve for x
   x = 82,571,333.86/12,356.01
6. Step 6: Final answer
   x = 6,682.69