Finding the Fourth Proportional to 67,464.50, 101,039.31 and 53,329.64

Step by Step Solution

1. Step 1: Write the proportion equation
   67,464.50 : 101,039.31 = 53,329.64 : x
2. Step 2: Convert to fraction form
   67,464.50/101,039.31 = 53,329.64/x
3. Step 3: Cross multiply
   67,464.50x = 101,039.31 × 53,329.64
4. Step 4: Simplify right side
   67,464.50x = 5,388,389,522.95
5. Step 5: Solve for x
   x = 5,388,389,522.95/67,464.50
6. Step 6: Final answer
   x = 79,870.00