Finding the Fourth Proportional to 89,141.99, 123,012.27 and 53,351.73

Step by Step Solution

1. Step 1: Write the proportion equation
   89,141.99 : 123,012.27 = 53,351.73 : x
2. Step 2: Convert to fraction form
   89,141.99/123,012.27 = 53,351.73/x
3. Step 3: Cross multiply
   89,141.99x = 123,012.27 × 53,351.73
4. Step 4: Simplify right side
   89,141.99x = 6,562,917,415.73
5. Step 5: Solve for x
   x = 6,562,917,415.73/89,141.99
6. Step 6: Final answer
   x = 73,623.19