Finding the Fourth Proportional to 76,682.56, 105,821.88 and 43,148.56

Step by Step Solution

1. Step 1: Write the proportion equation
   76,682.56 : 105,821.88 = 43,148.56 : x
2. Step 2: Convert to fraction form
   76,682.56/105,821.88 = 43,148.56/x
3. Step 3: Cross multiply
   76,682.56x = 105,821.88 × 43,148.56
4. Step 4: Simplify right side
   76,682.56x = 4,566,061,738.49
5. Step 5: Solve for x
   x = 4,566,061,738.49/76,682.56
6. Step 6: Final answer
   x = 59,544.98