Finding the Fourth Proportional to 105,838.25, 146,051.50 and 62,819.61

Step by Step Solution

1. Step 1: Write the proportion equation
   105,838.25 : 146,051.50 = 62,819.61 : x
2. Step 2: Convert to fraction form
   105,838.25/146,051.50 = 62,819.61/x
3. Step 3: Cross multiply
   105,838.25x = 146,051.50 × 62,819.61
4. Step 4: Simplify right side
   105,838.25x = 9,174,897,955.82
5. Step 5: Solve for x
   x = 9,174,897,955.82/105,838.25
6. Step 6: Final answer
   x = 86,687.92