Finding the Fourth Proportional to 58,624.50, 80,968.64 and 39,728.82

Step by Step Solution

1. Step 1: Write the proportion equation
   58,624.50 : 80,968.64 = 39,728.82 : x
2. Step 2: Convert to fraction form
   58,624.50/80,968.64 = 39,728.82/x
3. Step 3: Cross multiply
   58,624.50x = 80,968.64 × 39,728.82
4. Step 4: Simplify right side
   58,624.50x = 3,216,788,325.56
5. Step 5: Solve for x
   x = 3,216,788,325.56/58,624.50
6. Step 6: Final answer
   x = 54,871.06