Finding the Fourth Proportional to 105,042.62, 144,953.02 and 59,714.31

Step by Step Solution

1. Step 1: Write the proportion equation
   105,042.62 : 144,953.02 = 59,714.31 : x
2. Step 2: Convert to fraction form
   105,042.62/144,953.02 = 59,714.31/x
3. Step 3: Cross multiply
   105,042.62x = 144,953.02 × 59,714.31
4. Step 4: Simplify right side
   105,042.62x = 8,655,769,571.72
5. Step 5: Solve for x
   x = 8,655,769,571.72/105,042.62
6. Step 6: Final answer
   x = 82,402.45