Finding the Fourth Proportional to 76,481.56, 105,486.06 and 67,033.72

Step by Step Solution

1. Step 1: Write the proportion equation
   76,481.56 : 105,486.06 = 67,033.72 : x
2. Step 2: Convert to fraction form
   76,481.56/105,486.06 = 67,033.72/x
3. Step 3: Cross multiply
   76,481.56x = 105,486.06 × 67,033.72
4. Step 4: Simplify right side
   76,481.56x = 7,071,123,009.94
5. Step 5: Solve for x
   x = 7,071,123,009.94/76,481.56
6. Step 6: Final answer
   x = 92,455.27