Finding the Fourth Proportional to 86,223.04, 118,969.95 and 50,406.10

Step by Step Solution

1. Step 1: Write the proportion equation
   86,223.04 : 118,969.95 = 50,406.10 : x
2. Step 2: Convert to fraction form
   86,223.04/118,969.95 = 50,406.10/x
3. Step 3: Cross multiply
   86,223.04x = 118,969.95 × 50,406.10
4. Step 4: Simplify right side
   86,223.04x = 5,996,811,196.70
5. Step 5: Solve for x
   x = 5,996,811,196.70/86,223.04
6. Step 6: Final answer
   x = 69,549.99