Finding the Fourth Proportional to 91,751.18, 137,626.50 and 25,191.37

Step by Step Solution

1. Step 1: Write the proportion equation
   91,751.18 : 137,626.50 = 25,191.37 : x
2. Step 2: Convert to fraction form
   91,751.18/137,626.50 = 25,191.37/x
3. Step 3: Cross multiply
   91,751.18x = 137,626.50 × 25,191.37
4. Step 4: Simplify right side
   91,751.18x = 3,467,000,083.31
5. Step 5: Solve for x
   x = 3,467,000,083.31/91,751.18
6. Step 6: Final answer
   x = 37,786.98