Finding the Fourth Proportional to 12,896.50, 19,337.22 and 4,009.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,896.50 : 19,337.22 = 4,009.42 : x
2. Step 2: Convert to fraction form
   12,896.50/19,337.22 = 4,009.42/x
3. Step 3: Cross multiply
   12,896.50x = 19,337.22 × 4,009.42
4. Step 4: Simplify right side
   12,896.50x = 77,531,036.61
5. Step 5: Solve for x
   x = 77,531,036.61/12,896.50
6. Step 6: Final answer
   x = 6,011.79