Finding the Fourth Proportional to 72,485.67, 108,735.97 and 25,100.67

Step by Step Solution

1. Step 1: Write the proportion equation
   72,485.67 : 108,735.97 = 25,100.67 : x
2. Step 2: Convert to fraction form
   72,485.67/108,735.97 = 25,100.67/x
3. Step 3: Cross multiply
   72,485.67x = 108,735.97 × 25,100.67
4. Step 4: Simplify right side
   72,485.67x = 2,729,345,700.10
5. Step 5: Solve for x
   x = 2,729,345,700.10/72,485.67
6. Step 6: Final answer
   x = 37,653.59