Finding the Fourth Proportional to 105,582.96, 158,314.50 and 93,131.64

Step by Step Solution

1. Step 1: Write the proportion equation
   105,582.96 : 158,314.50 = 93,131.64 : x
2. Step 2: Convert to fraction form
   105,582.96/158,314.50 = 93,131.64/x
3. Step 3: Cross multiply
   105,582.96x = 158,314.50 × 93,131.64
4. Step 4: Simplify right side
   105,582.96x = 14,744,089,020.78
5. Step 5: Solve for x
   x = 14,744,089,020.78/105,582.96
6. Step 6: Final answer
   x = 139,644.59