Finding the Fourth Proportional to 105,845.49, 146,061.59 and 58,097.97

Step by Step Solution

1. Step 1: Write the proportion equation
   105,845.49 : 146,061.59 = 58,097.97 : x
2. Step 2: Convert to fraction form
   105,845.49/146,061.59 = 58,097.97/x
3. Step 3: Cross multiply
   105,845.49x = 146,061.59 × 58,097.97
4. Step 4: Simplify right side
   105,845.49x = 8,485,881,583.48
5. Step 5: Solve for x
   x = 8,485,881,583.48/105,845.49
6. Step 6: Final answer
   x = 80,172.35