Finding the Fourth Proportional to 322,500.72, 445,056.27 and 177,312.63

Step by Step Solution

1. Step 1: Write the proportion equation
   322,500.72 : 445,056.27 = 177,312.63 : x
2. Step 2: Convert to fraction form
   322,500.72/445,056.27 = 177,312.63/x
3. Step 3: Cross multiply
   322,500.72x = 445,056.27 × 177,312.63
4. Step 4: Simplify right side
   322,500.72x = 78,914,097,731.69
5. Step 5: Solve for x
   x = 78,914,097,731.69/322,500.72
6. Step 6: Final answer
   x = 244,694.33