Finding the Fourth Proportional to 76,482.56, 105,487.44 and 67,034.72

Step by Step Solution

1. Step 1: Write the proportion equation
   76,482.56 : 105,487.44 = 67,034.72 : x
2. Step 2: Convert to fraction form
   76,482.56/105,487.44 = 67,034.72/x
3. Step 3: Cross multiply
   76,482.56x = 105,487.44 × 67,034.72
4. Step 4: Simplify right side
   76,482.56x = 7,071,321,003.92
5. Step 5: Solve for x
   x = 7,071,321,003.92/76,482.56
6. Step 6: Final answer
   x = 92,456.65