Finding the Fourth Proportional to 144,496.98, 216,689.31 and 49,709.16

Step by Step Solution

1. Step 1: Write the proportion equation
   144,496.98 : 216,689.31 = 49,709.16 : x
2. Step 2: Convert to fraction form
   144,496.98/216,689.31 = 49,709.16/x
3. Step 3: Cross multiply
   144,496.98x = 216,689.31 × 49,709.16
4. Step 4: Simplify right side
   144,496.98x = 10,771,443,581.08
5. Step 5: Solve for x
   x = 10,771,443,581.08/144,496.98
6. Step 6: Final answer
   x = 74,544.42