Finding the Fourth Proportional to 140,245, 193,538.82 and 76,582.80

Step by Step Solution

1. Step 1: Write the proportion equation
   140,245 : 193,538.82 = 76,582.80 : x
2. Step 2: Convert to fraction form
   140,245/193,538.82 = 76,582.80/x
3. Step 3: Cross multiply
   140,245x = 193,538.82 × 76,582.80
4. Step 4: Simplify right side
   140,245x = 14,821,744,744.30
5. Step 5: Solve for x
   x = 14,821,744,744.30/140,245
6. Step 6: Final answer
   x = 105,684.66