Finding the Fourth Proportional to 105,834.26, 146,051.06 and 58,086.58

Step by Step Solution

1. Step 1: Write the proportion equation
   105,834.26 : 146,051.06 = 58,086.58 : x
2. Step 2: Convert to fraction form
   105,834.26/146,051.06 = 58,086.58/x
3. Step 3: Cross multiply
   105,834.26x = 146,051.06 × 58,086.58
4. Step 4: Simplify right side
   105,834.26x = 8,483,606,580.77
5. Step 5: Solve for x
   x = 8,483,606,580.77/105,834.26
6. Step 6: Final answer
   x = 80,159.36