Finding the Fourth Proportional to 76,650.17, 105,777.15 and 43,116.17

Step by Step Solution

1. Step 1: Write the proportion equation
   76,650.17 : 105,777.15 = 43,116.17 : x
2. Step 2: Convert to fraction form
   76,650.17/105,777.15 = 43,116.17/x
3. Step 3: Cross multiply
   76,650.17x = 105,777.15 × 43,116.17
4. Step 4: Simplify right side
   76,650.17x = 4,560,705,581.52
5. Step 5: Solve for x
   x = 4,560,705,581.52/76,650.17
6. Step 6: Final answer
   x = 59,500.27