Finding the Fourth Proportional to 12,636.23, 17,436.59 and 7,330.02

Step by Step Solution

1. Step 1: Write the proportion equation
   12,636.23 : 17,436.59 = 7,330.02 : x
2. Step 2: Convert to fraction form
   12,636.23/17,436.59 = 7,330.02/x
3. Step 3: Cross multiply
   12,636.23x = 17,436.59 × 7,330.02
4. Step 4: Simplify right side
   12,636.23x = 127,810,553.43
5. Step 5: Solve for x
   x = 127,810,553.43/12,636.23
6. Step 6: Final answer
   x = 10,114.61