Finding the Fourth Proportional to 105,857.52, 146,082.48 and 58,109.76

Step by Step Solution

1. Step 1: Write the proportion equation
   105,857.52 : 146,082.48 = 58,109.76 : x
2. Step 2: Convert to fraction form
   105,857.52/146,082.48 = 58,109.76/x
3. Step 3: Cross multiply
   105,857.52x = 146,082.48 × 58,109.76
4. Step 4: Simplify right side
   105,857.52x = 8,488,817,853.00
5. Step 5: Solve for x
   x = 8,488,817,853.00/105,857.52
6. Step 6: Final answer
   x = 80,190.98