Finding the Fourth Proportional to 25,061.21, 37,596.15 and 8,422.86

Step by Step Solution

1. Step 1: Write the proportion equation
   25,061.21 : 37,596.15 = 8,422.86 : x
2. Step 2: Convert to fraction form
   25,061.21/37,596.15 = 8,422.86/x
3. Step 3: Cross multiply
   25,061.21x = 37,596.15 × 8,422.86
4. Step 4: Simplify right side
   25,061.21x = 316,667,107.99
5. Step 5: Solve for x
   x = 316,667,107.99/25,061.21
6. Step 6: Final answer
   x = 12,635.75