Finding the Fourth Proportional to 117,969, 162,797.22 and 64,977

Step by Step Solution

1. Step 1: Write the proportion equation
   117,969 : 162,797.22 = 64,977 : x
2. Step 2: Convert to fraction form
   117,969/162,797.22 = 64,977/x
3. Step 3: Cross multiply
   117,969x = 162,797.22 × 64,977
4. Step 4: Simplify right side
   117,969x = 10,578,074,963.94
5. Step 5: Solve for x
   x = 10,578,074,963.94/117,969
6. Step 6: Final answer
   x = 89,668.26