Finding the Fourth Proportional to 25,404.38, 38,109.81 and 7,875.26

Step by Step Solution

1. Step 1: Write the proportion equation
   25,404.38 : 38,109.81 = 7,875.26 : x
2. Step 2: Convert to fraction form
   25,404.38/38,109.81 = 7,875.26/x
3. Step 3: Cross multiply
   25,404.38x = 38,109.81 × 7,875.26
4. Step 4: Simplify right side
   25,404.38x = 300,124,662.30
5. Step 5: Solve for x
   x = 300,124,662.30/25,404.38
6. Step 6: Final answer
   x = 11,813.89