Finding the Fourth Proportional to 109,012.83, 150,403.89 and 63,658.09

Step by Step Solution

1. Step 1: Write the proportion equation
   109,012.83 : 150,403.89 = 63,658.09 : x
2. Step 2: Convert to fraction form
   109,012.83/150,403.89 = 63,658.09/x
3. Step 3: Cross multiply
   109,012.83x = 150,403.89 × 63,658.09
4. Step 4: Simplify right side
   109,012.83x = 9,574,424,365.97
5. Step 5: Solve for x
   x = 9,574,424,365.97/109,012.83
6. Step 6: Final answer
   x = 87,828.42