Finding the Fourth Proportional to 105,802.49, 146,001.63 and 58,052.08

Step by Step Solution

1. Step 1: Write the proportion equation
   105,802.49 : 146,001.63 = 58,052.08 : x
2. Step 2: Convert to fraction form
   105,802.49/146,001.63 = 58,052.08/x
3. Step 3: Cross multiply
   105,802.49x = 146,001.63 × 58,052.08
4. Step 4: Simplify right side
   105,802.49x = 8,475,697,939.89
5. Step 5: Solve for x
   x = 8,475,697,939.89/105,802.49
6. Step 6: Final answer
   x = 80,108.68