Finding the Fourth Proportional to 105,997.74, 146,273.82 and 58,251.02

Step by Step Solution

1. Step 1: Write the proportion equation
   105,997.74 : 146,273.82 = 58,251.02 : x
2. Step 2: Convert to fraction form
   105,997.74/146,273.82 = 58,251.02/x
3. Step 3: Cross multiply
   105,997.74x = 146,273.82 × 58,251.02
4. Step 4: Simplify right side
   105,997.74x = 8,520,599,214.30
5. Step 5: Solve for x
   x = 8,520,599,214.30/105,997.74
6. Step 6: Final answer
   x = 80,384.73