Finding the Fourth Proportional to 105,020.60, 144,922.67 and 59,692.29

Step by Step Solution

1. Step 1: Write the proportion equation
   105,020.60 : 144,922.67 = 59,692.29 : x
2. Step 2: Convert to fraction form
   105,020.60/144,922.67 = 59,692.29/x
3. Step 3: Cross multiply
   105,020.60x = 144,922.67 × 59,692.29
4. Step 4: Simplify right side
   105,020.60x = 8,650,766,242.33
5. Step 5: Solve for x
   x = 8,650,766,242.33/105,020.60
6. Step 6: Final answer
   x = 82,372.09