Finding the Fourth Proportional to 25,594.76, 38,406.72 and 8,958.38

Step by Step Solution

1. Step 1: Write the proportion equation
   25,594.76 : 38,406.72 = 8,958.38 : x
2. Step 2: Convert to fraction form
   25,594.76/38,406.72 = 8,958.38/x
3. Step 3: Cross multiply
   25,594.76x = 38,406.72 × 8,958.38
4. Step 4: Simplify right side
   25,594.76x = 344,061,992.31
5. Step 5: Solve for x
   x = 344,061,992.31/25,594.76
6. Step 6: Final answer
   x = 13,442.67