Finding the Fourth Proportional to 25,109.81, 37,676.99 and 10,116.30

Step by Step Solution

1. Step 1: Write the proportion equation
   25,109.81 : 37,676.99 = 10,116.30 : x
2. Step 2: Convert to fraction form
   25,109.81/37,676.99 = 10,116.30/x
3. Step 3: Cross multiply
   25,109.81x = 37,676.99 × 10,116.30
4. Step 4: Simplify right side
   25,109.81x = 381,151,759.23
5. Step 5: Solve for x
   x = 381,151,759.23/25,109.81
6. Step 6: Final answer
   x = 15,179.40