Finding the Fourth Proportional to 18,404.93, 25,390.31 and 10,846.10

Step by Step Solution

1. Step 1: Write the proportion equation
   18,404.93 : 25,390.31 = 10,846.10 : x
2. Step 2: Convert to fraction form
   18,404.93/25,390.31 = 10,846.10/x
3. Step 3: Cross multiply
   18,404.93x = 25,390.31 × 10,846.10
4. Step 4: Simplify right side
   18,404.93x = 275,385,660.11
5. Step 5: Solve for x
   x = 275,385,660.11/18,404.93
6. Step 6: Final answer
   x = 14,962.61