Finding the Fourth Proportional to 91,959.81, 137,942.45 and 25,404.84

Step by Step Solution

1. Step 1: Write the proportion equation
   91,959.81 : 137,942.45 = 25,404.84 : x
2. Step 2: Convert to fraction form
   91,959.81/137,942.45 = 25,404.84/x
3. Step 3: Cross multiply
   91,959.81x = 137,942.45 × 25,404.84
4. Step 4: Simplify right side
   91,959.81x = 3,504,405,744.43
5. Step 5: Solve for x
   x = 3,504,405,744.43/91,959.81
6. Step 6: Final answer
   x = 38,108.01