Finding the Fourth Proportional to 105,976.96, 158,836.32 and 58,590.16

Step by Step Solution

1. Step 1: Write the proportion equation
   105,976.96 : 158,836.32 = 58,590.16 : x
2. Step 2: Convert to fraction form
   105,976.96/158,836.32 = 58,590.16/x
3. Step 3: Cross multiply
   105,976.96x = 158,836.32 × 58,590.16
4. Step 4: Simplify right side
   105,976.96x = 9,306,245,402.61
5. Step 5: Solve for x
   x = 9,306,245,402.61/105,976.96
6. Step 6: Final answer
   x = 87,813.86