Finding the Fourth Proportional to 76,551, 105,638.22 and 43,017.72

Step by Step Solution

1. Step 1: Write the proportion equation
   76,551 : 105,638.22 = 43,017.72 : x
2. Step 2: Convert to fraction form
   76,551/105,638.22 = 43,017.72/x
3. Step 3: Cross multiply
   76,551x = 105,638.22 × 43,017.72
4. Step 4: Simplify right side
   76,551x = 4,544,315,369.26
5. Step 5: Solve for x
   x = 4,544,315,369.26/76,551
6. Step 6: Final answer
   x = 59,363.24