Finding the Fourth Proportional to 78,974.88, 108,914.76 and 65,524.83

Step by Step Solution

1. Step 1: Write the proportion equation
   78,974.88 : 108,914.76 = 65,524.83 : x
2. Step 2: Convert to fraction form
   78,974.88/108,914.76 = 65,524.83/x
3. Step 3: Cross multiply
   78,974.88x = 108,914.76 × 65,524.83
4. Step 4: Simplify right side
   78,974.88x = 7,136,621,133.49
5. Step 5: Solve for x
   x = 7,136,621,133.49/78,974.88
6. Step 6: Final answer
   x = 90,365.71