Finding the Fourth Proportional to 90,022.70, 134,950.56 and 30,844.31

Step by Step Solution

1. Step 1: Write the proportion equation
   90,022.70 : 134,950.56 = 30,844.31 : x
2. Step 2: Convert to fraction form
   90,022.70/134,950.56 = 30,844.31/x
3. Step 3: Cross multiply
   90,022.70x = 134,950.56 × 30,844.31
4. Step 4: Simplify right side
   90,022.70x = 4,162,456,907.31
5. Step 5: Solve for x
   x = 4,162,456,907.31/90,022.70
6. Step 6: Final answer
   x = 46,237.86