Finding the Fourth Proportional to 104,128.18, 156,190.89 and 25,243.12

Step by Step Solution

1. Step 1: Write the proportion equation
   104,128.18 : 156,190.89 = 25,243.12 : x
2. Step 2: Convert to fraction form
   104,128.18/156,190.89 = 25,243.12/x
3. Step 3: Cross multiply
   104,128.18x = 156,190.89 × 25,243.12
4. Step 4: Simplify right side
   104,128.18x = 3,942,745,379.18
5. Step 5: Solve for x
   x = 3,942,745,379.18/104,128.18
6. Step 6: Final answer
   x = 37,864.35