Finding the Fourth Proportional to 91,727.34, 137,581.78 and 25,174.16

Step by Step Solution

1. Step 1: Write the proportion equation
   91,727.34 : 137,581.78 = 25,174.16 : x
2. Step 2: Convert to fraction form
   91,727.34/137,581.78 = 25,174.16/x
3. Step 3: Cross multiply
   91,727.34x = 137,581.78 × 25,174.16
4. Step 4: Simplify right side
   91,727.34x = 3,463,505,742.80
5. Step 5: Solve for x
   x = 3,463,505,742.80/91,727.34
6. Step 6: Final answer
   x = 37,758.71