Finding the Fourth Proportional to 91,936.65, 137,902.23 and 25,380.84

Step by Step Solution

1. Step 1: Write the proportion equation
   91,936.65 : 137,902.23 = 25,380.84 : x
2. Step 2: Convert to fraction form
   91,936.65/137,902.23 = 25,380.84/x
3. Step 3: Cross multiply
   91,936.65x = 137,902.23 × 25,380.84
4. Step 4: Simplify right side
   91,936.65x = 3,500,074,435.27
5. Step 5: Solve for x
   x = 3,500,074,435.27/91,936.65
6. Step 6: Final answer
   x = 38,070.50