Finding the Fourth Proportional to 105,802.65, 146,007.83 and 58,056.37

Step by Step Solution

1. Step 1: Write the proportion equation
   105,802.65 : 146,007.83 = 58,056.37 : x
2. Step 2: Convert to fraction form
   105,802.65/146,007.83 = 58,056.37/x
3. Step 3: Cross multiply
   105,802.65x = 146,007.83 × 58,056.37
4. Step 4: Simplify right side
   105,802.65x = 8,476,684,381.50
5. Step 5: Solve for x
   x = 8,476,684,381.50/105,802.65
6. Step 6: Final answer
   x = 80,117.88