Finding the Fourth Proportional to 27,025.38, 37,290.58 and 15,086.79

Step by Step Solution

1. Step 1: Write the proportion equation
   27,025.38 : 37,290.58 = 15,086.79 : x
2. Step 2: Convert to fraction form
   27,025.38/37,290.58 = 15,086.79/x
3. Step 3: Cross multiply
   27,025.38x = 37,290.58 × 15,086.79
4. Step 4: Simplify right side
   27,025.38x = 562,595,111.72
5. Step 5: Solve for x
   x = 562,595,111.72/27,025.38
6. Step 6: Final answer
   x = 20,817.29