Finding the Fourth Proportional to 105,817.98, 146,024.01 and 58,070.37

Step by Step Solution

1. Step 1: Write the proportion equation
   105,817.98 : 146,024.01 = 58,070.37 : x
2. Step 2: Convert to fraction form
   105,817.98/146,024.01 = 58,070.37/x
3. Step 3: Cross multiply
   105,817.98x = 146,024.01 × 58,070.37
4. Step 4: Simplify right side
   105,817.98x = 8,479,668,289.58
5. Step 5: Solve for x
   x = 8,479,668,289.58/105,817.98
6. Step 6: Final answer
   x = 80,134.48