Finding the Fourth Proportional to 105,443.56, 158,009.82 and 58,683.88

Step by Step Solution

1. Step 1: Write the proportion equation
   105,443.56 : 158,009.82 = 58,683.88 : x
2. Step 2: Convert to fraction form
   105,443.56/158,009.82 = 58,683.88/x
3. Step 3: Cross multiply
   105,443.56x = 158,009.82 × 58,683.88
4. Step 4: Simplify right side
   105,443.56x = 9,272,629,315.70
5. Step 5: Solve for x
   x = 9,272,629,315.70/105,443.56
6. Step 6: Final answer
   x = 87,939.27