Finding the Fourth Proportional to 25,089.42, 37,607.78 and 8,443.67

Step by Step Solution

1. Step 1: Write the proportion equation
   25,089.42 : 37,607.78 = 8,443.67 : x
2. Step 2: Convert to fraction form
   25,089.42/37,607.78 = 8,443.67/x
3. Step 3: Cross multiply
   25,089.42x = 37,607.78 × 8,443.67
4. Step 4: Simplify right side
   25,089.42x = 317,547,453.50
5. Step 5: Solve for x
   x = 317,547,453.50/25,089.42
6. Step 6: Final answer
   x = 12,656.63