Finding the Fourth Proportional to 76,168.32, 105,112.34 and 41,712.88

Step by Step Solution

1. Step 1: Write the proportion equation
   76,168.32 : 105,112.34 = 41,712.88 : x
2. Step 2: Convert to fraction form
   76,168.32/105,112.34 = 41,712.88/x
3. Step 3: Cross multiply
   76,168.32x = 105,112.34 × 41,712.88
4. Step 4: Simplify right side
   76,168.32x = 4,384,538,424.94
5. Step 5: Solve for x
   x = 4,384,538,424.94/76,168.32
6. Step 6: Final answer
   x = 57,563.81