Finding the Fourth Proportional to 81,673.34, 122,527.46 and 28,366.98

Step by Step Solution

1. Step 1: Write the proportion equation
   81,673.34 : 122,527.46 = 28,366.98 : x
2. Step 2: Convert to fraction form
   81,673.34/122,527.46 = 28,366.98/x
3. Step 3: Cross multiply
   81,673.34x = 122,527.46 × 28,366.98
4. Step 4: Simplify right side
   81,673.34x = 3,475,734,007.27
5. Step 5: Solve for x
   x = 3,475,734,007.27/81,673.34
6. Step 6: Final answer
   x = 42,556.53