Finding the Fourth Proportional to 60,678.05, 91,008.56 and 25,609.50

Step by Step Solution

1. Step 1: Write the proportion equation
   60,678.05 : 91,008.56 = 25,609.50 : x
2. Step 2: Convert to fraction form
   60,678.05/91,008.56 = 25,609.50/x
3. Step 3: Cross multiply
   60,678.05x = 91,008.56 × 25,609.50
4. Step 4: Simplify right side
   60,678.05x = 2,330,683,589.27
5. Step 5: Solve for x
   x = 2,330,683,589.27/60,678.05
6. Step 6: Final answer
   x = 38,410.66