Finding the Fourth Proportional to 360,109.28, 540,280.56 and 173,096.48

Step by Step Solution

1. Step 1: Write the proportion equation
   360,109.28 : 540,280.56 = 173,096.48 : x
2. Step 2: Convert to fraction form
   360,109.28/540,280.56 = 173,096.48/x
3. Step 3: Cross multiply
   360,109.28x = 540,280.56 × 173,096.48
4. Step 4: Simplify right side
   360,109.28x = 93,520,663,148.43
5. Step 5: Solve for x
   x = 93,520,663,148.43/360,109.28
6. Step 6: Final answer
   x = 259,700.79