Finding the Fourth Proportional to 150,504.43, 207,693.74 and 82,521.99

Step by Step Solution

1. Step 1: Write the proportion equation
   150,504.43 : 207,693.74 = 82,521.99 : x
2. Step 2: Convert to fraction form
   150,504.43/207,693.74 = 82,521.99/x
3. Step 3: Cross multiply
   150,504.43x = 207,693.74 × 82,521.99
4. Step 4: Simplify right side
   150,504.43x = 17,139,300,477.46
5. Step 5: Solve for x
   x = 17,139,300,477.46/150,504.43
6. Step 6: Final answer
   x = 113,879.04