Finding the Fourth Proportional to 12,437.36, 17,158.32 and 8,238.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,437.36 : 17,158.32 = 8,238.32 : x
2. Step 2: Convert to fraction form
   12,437.36/17,158.32 = 8,238.32/x
3. Step 3: Cross multiply
   12,437.36x = 17,158.32 × 8,238.32
4. Step 4: Simplify right side
   12,437.36x = 141,355,730.82
5. Step 5: Solve for x
   x = 141,355,730.82/12,437.36
6. Step 6: Final answer
   x = 11,365.41