Finding the Fourth Proportional to 105,021.33, 144,923.65 and 59,693.01

Step by Step Solution

1. Step 1: Write the proportion equation
   105,021.33 : 144,923.65 = 59,693.01 : x
2. Step 2: Convert to fraction form
   105,021.33/144,923.65 = 59,693.01/x
3. Step 3: Cross multiply
   105,021.33x = 144,923.65 × 59,693.01
4. Step 4: Simplify right side
   105,021.33x = 8,650,928,888.69
5. Step 5: Solve for x
   x = 8,650,928,888.69/105,021.33
6. Step 6: Final answer
   x = 82,373.07