Finding the Fourth Proportional to 177,111.72, 244,420.42 and 100,629.72

Step by Step Solution

1. Step 1: Write the proportion equation
   177,111.72 : 244,420.42 = 100,629.72 : x
2. Step 2: Convert to fraction form
   177,111.72/244,420.42 = 100,629.72/x
3. Step 3: Cross multiply
   177,111.72x = 244,420.42 × 100,629.72
4. Step 4: Simplify right side
   177,111.72x = 24,595,958,426.88
5. Step 5: Solve for x
   x = 24,595,958,426.88/177,111.72
6. Step 6: Final answer
   x = 138,872.56