Finding the Fourth Proportional to 91,723.50, 137,589.30 and 25,162.11

Step by Step Solution

1. Step 1: Write the proportion equation
   91,723.50 : 137,589.30 = 25,162.11 : x
2. Step 2: Convert to fraction form
   91,723.50/137,589.30 = 25,162.11/x
3. Step 3: Cross multiply
   91,723.50x = 137,589.30 × 25,162.11
4. Step 4: Simplify right side
   91,723.50x = 3,462,037,101.42
5. Step 5: Solve for x
   x = 3,462,037,101.42/91,723.50
6. Step 6: Final answer
   x = 37,744.28