Finding the Fourth Proportional to 300,168.72, 450,029.52 and 181,811.52

Step by Step Solution

1. Step 1: Write the proportion equation
   300,168.72 : 450,029.52 = 181,811.52 : x
2. Step 2: Convert to fraction form
   300,168.72/450,029.52 = 181,811.52/x
3. Step 3: Cross multiply
   300,168.72x = 450,029.52 × 181,811.52
4. Step 4: Simplify right side
   300,168.72x = 81,820,551,076.07
5. Step 5: Solve for x
   x = 81,820,551,076.07/300,168.72
6. Step 6: Final answer
   x = 272,581.87