Finding the Fourth Proportional to 105,836.85, 146,054.34 and 58,091.00

Step by Step Solution

1. Step 1: Write the proportion equation
   105,836.85 : 146,054.34 = 58,091.00 : x
2. Step 2: Convert to fraction form
   105,836.85/146,054.34 = 58,091.00/x
3. Step 3: Cross multiply
   105,836.85x = 146,054.34 × 58,091.00
4. Step 4: Simplify right side
   105,836.85x = 8,484,441,934.67
5. Step 5: Solve for x
   x = 8,484,441,934.67/105,836.85
6. Step 6: Final answer
   x = 80,165.29