Finding the Fourth Proportional to 34,297.94, 51,448.91 and 13,238.09

Step by Step Solution

1. Step 1: Write the proportion equation
   34,297.94 : 51,448.91 = 13,238.09 : x
2. Step 2: Convert to fraction form
   34,297.94/51,448.91 = 13,238.09/x
3. Step 3: Cross multiply
   34,297.94x = 51,448.91 × 13,238.09
4. Step 4: Simplify right side
   34,297.94x = 681,085,300.98
5. Step 5: Solve for x
   x = 681,085,300.98/34,297.94
6. Step 6: Final answer
   x = 19,857.91