Finding the Fourth Proportional to 25,109.28, 37,631.68 and 10,300.48

Step by Step Solution

1. Step 1: Write the proportion equation
   25,109.28 : 37,631.68 = 10,300.48 : x
2. Step 2: Convert to fraction form
   25,109.28/37,631.68 = 10,300.48/x
3. Step 3: Cross multiply
   25,109.28x = 37,631.68 × 10,300.48
4. Step 4: Simplify right side
   25,109.28x = 387,624,367.21
5. Step 5: Solve for x
   x = 387,624,367.21/25,109.28
6. Step 6: Final answer
   x = 15,437.49