Finding the Fourth Proportional to 105,039.33, 144,953.60 and 59,717.33

Step by Step Solution

1. Step 1: Write the proportion equation
   105,039.33 : 144,953.60 = 59,717.33 : x
2. Step 2: Convert to fraction form
   105,039.33/144,953.60 = 59,717.33/x
3. Step 3: Cross multiply
   105,039.33x = 144,953.60 × 59,717.33
4. Step 4: Simplify right side
   105,039.33x = 8,656,242,637.38
5. Step 5: Solve for x
   x = 8,656,242,637.38/105,039.33
6. Step 6: Final answer
   x = 82,409.54