Finding the Fourth Proportional to 322,462.86, 483,705.37 and 144,970.49

Step by Step Solution

1. Step 1: Write the proportion equation
   322,462.86 : 483,705.37 = 144,970.49 : x
2. Step 2: Convert to fraction form
   322,462.86/483,705.37 = 144,970.49/x
3. Step 3: Cross multiply
   322,462.86x = 483,705.37 × 144,970.49
4. Step 4: Simplify right side
   322,462.86x = 70,123,005,895.01
5. Step 5: Solve for x
   x = 70,123,005,895.01/322,462.86
6. Step 6: Final answer
   x = 217,460.72