Finding the Fourth Proportional to 65,968.05, 91,056.03 and 52,630.99

Step by Step Solution

1. Step 1: Write the proportion equation
   65,968.05 : 91,056.03 = 52,630.99 : x
2. Step 2: Convert to fraction form
   65,968.05/91,056.03 = 52,630.99/x
3. Step 3: Cross multiply
   65,968.05x = 91,056.03 × 52,630.99
4. Step 4: Simplify right side
   65,968.05x = 4,792,369,004.37
5. Step 5: Solve for x
   x = 4,792,369,004.37/65,968.05
6. Step 6: Final answer
   x = 72,646.82