Finding the Fourth Proportional to 105,842.05, 146,056.69 and 62,823.42

Step by Step Solution

1. Step 1: Write the proportion equation
   105,842.05 : 146,056.69 = 62,823.42 : x
2. Step 2: Convert to fraction form
   105,842.05/146,056.69 = 62,823.42/x
3. Step 3: Cross multiply
   105,842.05x = 146,056.69 × 62,823.42
4. Step 4: Simplify right side
   105,842.05x = 9,175,780,624.12
5. Step 5: Solve for x
   x = 9,175,780,624.12/105,842.05
6. Step 6: Final answer
   x = 86,693.15