Finding the Fourth Proportional to 18,386.67, 25,373.72 and 10,003.23

Step by Step Solution

1. Step 1: Write the proportion equation
   18,386.67 : 25,373.72 = 10,003.23 : x
2. Step 2: Convert to fraction form
   18,386.67/25,373.72 = 10,003.23/x
3. Step 3: Cross multiply
   18,386.67x = 25,373.72 × 10,003.23
4. Step 4: Simplify right side
   18,386.67x = 253,819,107.10
5. Step 5: Solve for x
   x = 253,819,107.10/18,386.67
6. Step 6: Final answer
   x = 13,804.52