Finding the Fourth Proportional to 105,056.28, 144,984.51 and 59,738.48

Step by Step Solution

1. Step 1: Write the proportion equation
   105,056.28 : 144,984.51 = 59,738.48 : x
2. Step 2: Convert to fraction form
   105,056.28/144,984.51 = 59,738.48/x
3. Step 3: Cross multiply
   105,056.28x = 144,984.51 × 59,738.48
4. Step 4: Simplify right side
   105,056.28x = 8,661,153,931.27
5. Step 5: Solve for x
   x = 8,661,153,931.27/105,056.28
6. Step 6: Final answer
   x = 82,442.99