Finding the Fourth Proportional to 76,705.56, 105,852.42 and 43,171.56

Step by Step Solution

1. Step 1: Write the proportion equation
   76,705.56 : 105,852.42 = 43,171.56 : x
2. Step 2: Convert to fraction form
   76,705.56/105,852.42 = 43,171.56/x
3. Step 3: Cross multiply
   76,705.56x = 105,852.42 × 43,171.56
4. Step 4: Simplify right side
   76,705.56x = 4,569,814,101.18
5. Step 5: Solve for x
   x = 4,569,814,101.18/76,705.56
6. Step 6: Final answer
   x = 59,576.05