Finding the Fourth Proportional to 25,091.42, 37,610.77 and 8,445.67

Step by Step Solution

1. Step 1: Write the proportion equation
   25,091.42 : 37,610.77 = 8,445.67 : x
2. Step 2: Convert to fraction form
   25,091.42/37,610.77 = 8,445.67/x
3. Step 3: Cross multiply
   25,091.42x = 37,610.77 × 8,445.67
4. Step 4: Simplify right side
   25,091.42x = 317,648,151.87
5. Step 5: Solve for x
   x = 317,648,151.87/25,091.42
6. Step 6: Final answer
   x = 12,659.63