Finding the Fourth Proportional to 25,359.92, 37,974.12 and 17,486.72

Step by Step Solution

1. Step 1: Write the proportion equation
   25,359.92 : 37,974.12 = 17,486.72 : x
2. Step 2: Convert to fraction form
   25,359.92/37,974.12 = 17,486.72/x
3. Step 3: Cross multiply
   25,359.92x = 37,974.12 × 17,486.72
4. Step 4: Simplify right side
   25,359.92x = 664,042,803.69
5. Step 5: Solve for x
   x = 664,042,803.69/25,359.92
6. Step 6: Final answer
   x = 26,184.74