Finding the Fourth Proportional to 359,456.24, 539,208.12 and 149,111.12

Step by Step Solution

1. Step 1: Write the proportion equation
   359,456.24 : 539,208.12 = 149,111.12 : x
2. Step 2: Convert to fraction form
   359,456.24/539,208.12 = 149,111.12/x
3. Step 3: Cross multiply
   359,456.24x = 539,208.12 × 149,111.12
4. Step 4: Simplify right side
   359,456.24x = 80,401,926,686.29
5. Step 5: Solve for x
   x = 80,401,926,686.29/359,456.24
6. Step 6: Final answer
   x = 223,676.54