Finding the Fourth Proportional to 12,944.58, 17,857.23 and 7,636.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,944.58 : 17,857.23 = 7,636.32 : x
2. Step 2: Convert to fraction form
   12,944.58/17,857.23 = 7,636.32/x
3. Step 3: Cross multiply
   12,944.58x = 17,857.23 × 7,636.32
4. Step 4: Simplify right side
   12,944.58x = 136,363,522.59
5. Step 5: Solve for x
   x = 136,363,522.59/12,944.58
6. Step 6: Final answer
   x = 10,534.41