Finding the Fourth Proportional to 71,969.02, 99,357.40 and 50,524.57

Step by Step Solution

1. Step 1: Write the proportion equation
   71,969.02 : 99,357.40 = 50,524.57 : x
2. Step 2: Convert to fraction form
   71,969.02/99,357.40 = 50,524.57/x
3. Step 3: Cross multiply
   71,969.02x = 99,357.40 × 50,524.57
4. Step 4: Simplify right side
   71,969.02x = 5,019,989,911.32
5. Step 5: Solve for x
   x = 5,019,989,911.32/71,969.02
6. Step 6: Final answer
   x = 69,752.09