Finding the Fourth Proportional to 25,171.16, 37,785.96 and 13,507.16

Step by Step Solution

1. Step 1: Write the proportion equation
   25,171.16 : 37,785.96 = 13,507.16 : x
2. Step 2: Convert to fraction form
   25,171.16/37,785.96 = 13,507.16/x
3. Step 3: Cross multiply
   25,171.16x = 37,785.96 × 13,507.16
4. Step 4: Simplify right side
   25,171.16x = 510,381,007.47
5. Step 5: Solve for x
   x = 510,381,007.47/25,171.16
6. Step 6: Final answer
   x = 20,276.42