Finding the Fourth Proportional to 144,443.17, 216,669.55 and 49,672.42

Step by Step Solution

1. Step 1: Write the proportion equation
   144,443.17 : 216,669.55 = 49,672.42 : x
2. Step 2: Convert to fraction form
   144,443.17/216,669.55 = 49,672.42/x
3. Step 3: Cross multiply
   144,443.17x = 216,669.55 × 49,672.42
4. Step 4: Simplify right side
   144,443.17x = 10,762,500,888.81
5. Step 5: Solve for x
   x = 10,762,500,888.81/144,443.17
6. Step 6: Final answer
   x = 74,510.28