Finding the Fourth Proportional to 185,628.72, 256,167.82 and 100,745.82

Step by Step Solution

1. Step 1: Write the proportion equation
   185,628.72 : 256,167.82 = 100,745.82 : x
2. Step 2: Convert to fraction form
   185,628.72/256,167.82 = 100,745.82/x
3. Step 3: Cross multiply
   185,628.72x = 256,167.82 × 100,745.82
4. Step 4: Simplify right side
   185,628.72x = 25,807,837,083.51
5. Step 5: Solve for x
   x = 25,807,837,083.51/185,628.72
6. Step 6: Final answer
   x = 139,029.33