Finding the Fourth Proportional to 49,665.25, 74,544.69 and 18,105.82

Step by Step Solution

1. Step 1: Write the proportion equation
   49,665.25 : 74,544.69 = 18,105.82 : x
2. Step 2: Convert to fraction form
   49,665.25/74,544.69 = 18,105.82/x
3. Step 3: Cross multiply
   49,665.25x = 74,544.69 × 18,105.82
4. Step 4: Simplify right side
   49,665.25x = 1,349,692,739.10
5. Step 5: Solve for x
   x = 1,349,692,739.10/49,665.25
6. Step 6: Final answer
   x = 27,175.80