Finding the Fourth Proportional to 105,060.37, 144,983.65 and 57,314.72

Step by Step Solution

1. Step 1: Write the proportion equation
   105,060.37 : 144,983.65 = 57,314.72 : x
2. Step 2: Convert to fraction form
   105,060.37/144,983.65 = 57,314.72/x
3. Step 3: Cross multiply
   105,060.37x = 144,983.65 × 57,314.72
4. Step 4: Simplify right side
   105,060.37x = 8,309,696,292.84
5. Step 5: Solve for x
   x = 8,309,696,292.84/105,060.37
6. Step 6: Final answer
   x = 79,094.49