Finding the Fourth Proportional to 58,279.23, 80,425.31 and 33,128.73

Step by Step Solution

1. Step 1: Write the proportion equation
   58,279.23 : 80,425.31 = 33,128.73 : x
2. Step 2: Convert to fraction form
   58,279.23/80,425.31 = 33,128.73/x
3. Step 3: Cross multiply
   58,279.23x = 80,425.31 × 33,128.73
4. Step 4: Simplify right side
   58,279.23x = 2,664,388,214.51
5. Step 5: Solve for x
   x = 2,664,388,214.51/58,279.23
6. Step 6: Final answer
   x = 45,717.63