Finding the Fourth Proportional to 336,256.18, 504,504.72 and 144,049.98

Step by Step Solution

1. Step 1: Write the proportion equation
   336,256.18 : 504,504.72 = 144,049.98 : x
2. Step 2: Convert to fraction form
   336,256.18/504,504.72 = 144,049.98/x
3. Step 3: Cross multiply
   336,256.18x = 504,504.72 × 144,049.98
4. Step 4: Simplify right side
   336,256.18x = 72,673,894,825.91
5. Step 5: Solve for x
   x = 72,673,894,825.91/336,256.18
6. Step 6: Final answer
   x = 216,126.57