Finding the Fourth Proportional to 105,696.02, 145,839.97 and 62,667.56

Step by Step Solution

1. Step 1: Write the proportion equation
   105,696.02 : 145,839.97 = 62,667.56 : x
2. Step 2: Convert to fraction form
   105,696.02/145,839.97 = 62,667.56/x
3. Step 3: Cross multiply
   105,696.02x = 145,839.97 × 62,667.56
4. Step 4: Simplify right side
   105,696.02x = 9,139,435,513.31
5. Step 5: Solve for x
   x = 9,139,435,513.31/105,696.02
6. Step 6: Final answer
   x = 86,469.06