Finding the Fourth Proportional to 19,165.91, 26,448.06 and 10,667.39

Step by Step Solution

1. Step 1: Write the proportion equation
   19,165.91 : 26,448.06 = 10,667.39 : x
2. Step 2: Convert to fraction form
   19,165.91/26,448.06 = 10,667.39/x
3. Step 3: Cross multiply
   19,165.91x = 26,448.06 × 10,667.39
4. Step 4: Simplify right side
   19,165.91x = 282,131,638.52
5. Step 5: Solve for x
   x = 282,131,638.52/19,165.91
6. Step 6: Final answer
   x = 14,720.50