Finding the Fourth Proportional to 105,948.71, 146,206.42 and 58,202.15

Step by Step Solution

1. Step 1: Write the proportion equation
   105,948.71 : 146,206.42 = 58,202.15 : x
2. Step 2: Convert to fraction form
   105,948.71/146,206.42 = 58,202.15/x
3. Step 3: Cross multiply
   105,948.71x = 146,206.42 × 58,202.15
4. Step 4: Simplify right side
   105,948.71x = 8,509,527,111.27
5. Step 5: Solve for x
   x = 8,509,527,111.27/105,948.71
6. Step 6: Final answer
   x = 80,317.42