Finding the Fourth Proportional to 76,949.94, 105,954.06 and 65,593.98

Step by Step Solution

1. Step 1: Write the proportion equation
   76,949.94 : 105,954.06 = 65,593.98 : x
2. Step 2: Convert to fraction form
   76,949.94/105,954.06 = 65,593.98/x
3. Step 3: Cross multiply
   76,949.94x = 105,954.06 × 65,593.98
4. Step 4: Simplify right side
   76,949.94x = 6,949,948,492.56
5. Step 5: Solve for x
   x = 6,949,948,492.56/76,949.94
6. Step 6: Final answer
   x = 90,317.79