Finding the Fourth Proportional to 181,443.69, 250,400.83 and 100,872.56

Step by Step Solution

1. Step 1: Write the proportion equation
   181,443.69 : 250,400.83 = 100,872.56 : x
2. Step 2: Convert to fraction form
   181,443.69/250,400.83 = 100,872.56/x
3. Step 3: Cross multiply
   181,443.69x = 250,400.83 × 100,872.56
4. Step 4: Simplify right side
   181,443.69x = 25,258,572,748.22
5. Step 5: Solve for x
   x = 25,258,572,748.22/181,443.69
6. Step 6: Final answer
   x = 139,208.88