Finding the Fourth Proportional to 145,976.52, 218,997.54 and 46,142.52

Step by Step Solution

1. Step 1: Write the proportion equation
   145,976.52 : 218,997.54 = 46,142.52 : x
2. Step 2: Convert to fraction form
   145,976.52/218,997.54 = 46,142.52/x
3. Step 3: Cross multiply
   145,976.52x = 218,997.54 × 46,142.52
4. Step 4: Simplify right side
   145,976.52x = 10,105,098,369.40
5. Step 5: Solve for x
   x = 10,105,098,369.40/145,976.52
6. Step 6: Final answer
   x = 69,224.14