Finding the Fourth Proportional to 105,048.96, 144,968.49 and 57,302.52

Step by Step Solution

1. Step 1: Write the proportion equation
   105,048.96 : 144,968.49 = 57,302.52 : x
2. Step 2: Convert to fraction form
   105,048.96/144,968.49 = 57,302.52/x
3. Step 3: Cross multiply
   105,048.96x = 144,968.49 × 57,302.52
4. Step 4: Simplify right side
   105,048.96x = 8,307,059,797.59
5. Step 5: Solve for x
   x = 8,307,059,797.59/105,048.96
6. Step 6: Final answer
   x = 79,077.98