Finding the Fourth Proportional to 105,304.56, 145,320.08 and 59,982.53

Step by Step Solution

1. Step 1: Write the proportion equation
   105,304.56 : 145,320.08 = 59,982.53 : x
2. Step 2: Convert to fraction form
   105,304.56/145,320.08 = 59,982.53/x
3. Step 3: Cross multiply
   105,304.56x = 145,320.08 × 59,982.53
4. Step 4: Simplify right side
   105,304.56x = 8,716,665,481.56
5. Step 5: Solve for x
   x = 8,716,665,481.56/105,304.56
6. Step 6: Final answer
   x = 82,775.76