Finding the Fourth Proportional to 144,068.84, 216,128.62 and 49,276.76

Step by Step Solution

1. Step 1: Write the proportion equation
   144,068.84 : 216,128.62 = 49,276.76 : x
2. Step 2: Convert to fraction form
   144,068.84/216,128.62 = 49,276.76/x
3. Step 3: Cross multiply
   144,068.84x = 216,128.62 × 49,276.76
4. Step 4: Simplify right side
   144,068.84x = 10,650,118,136.87
5. Step 5: Solve for x
   x = 10,650,118,136.87/144,068.84
6. Step 6: Final answer
   x = 73,923.81