Finding the Fourth Proportional to 465,258.72, 697,302.72 and 252,018.48

Step by Step Solution

1. Step 1: Write the proportion equation
   465,258.72 : 697,302.72 = 252,018.48 : x
2. Step 2: Convert to fraction form
   465,258.72/697,302.72 = 252,018.48/x
3. Step 3: Cross multiply
   465,258.72x = 697,302.72 × 252,018.48
4. Step 4: Simplify right side
   465,258.72x = 175,733,171,594.27
5. Step 5: Solve for x
   x = 175,733,171,594.27/465,258.72
6. Step 6: Final answer
   x = 377,710.65