Finding the Fourth Proportional to 58,672.80, 80,964.72 and 33,521.76

Step by Step Solution

1. Step 1: Write the proportion equation
   58,672.80 : 80,964.72 = 33,521.76 : x
2. Step 2: Convert to fraction form
   58,672.80/80,964.72 = 33,521.76/x
3. Step 3: Cross multiply
   58,672.80x = 80,964.72 × 33,521.76
4. Step 4: Simplify right side
   58,672.80x = 2,714,079,912.31
5. Step 5: Solve for x
   x = 2,714,079,912.31/58,672.80
6. Step 6: Final answer
   x = 46,257.89