Finding the Fourth Proportional to 25,003.38, 37,515.42 and 10,956.16

Step by Step Solution

1. Step 1: Write the proportion equation
   25,003.38 : 37,515.42 = 10,956.16 : x
2. Step 2: Convert to fraction form
   25,003.38/37,515.42 = 10,956.16/x
3. Step 3: Cross multiply
   25,003.38x = 37,515.42 × 10,956.16
4. Step 4: Simplify right side
   25,003.38x = 411,024,943.99
5. Step 5: Solve for x
   x = 411,024,943.99/25,003.38
6. Step 6: Final answer
   x = 16,438.78