Finding the Fourth Proportional to 105,839.27, 146,059.98 and 58,097.06

Step by Step Solution

1. Step 1: Write the proportion equation
   105,839.27 : 146,059.98 = 58,097.06 : x
2. Step 2: Convert to fraction form
   105,839.27/146,059.98 = 58,097.06/x
3. Step 3: Cross multiply
   105,839.27x = 146,059.98 × 58,097.06
4. Step 4: Simplify right side
   105,839.27x = 8,485,655,421.66
5. Step 5: Solve for x
   x = 8,485,655,421.66/105,839.27
6. Step 6: Final answer
   x = 80,174.92