Finding the Fourth Proportional to 81,238.37, 121,869.17 and 25,083.10

Step by Step Solution

1. Step 1: Write the proportion equation
   81,238.37 : 121,869.17 = 25,083.10 : x
2. Step 2: Convert to fraction form
   81,238.37/121,869.17 = 25,083.10/x
3. Step 3: Cross multiply
   81,238.37x = 121,869.17 × 25,083.10
4. Step 4: Simplify right side
   81,238.37x = 3,056,855,843.27
5. Step 5: Solve for x
   x = 3,056,855,843.27/81,238.37
6. Step 6: Final answer
   x = 37,628.23