Finding the Fourth Proportional to 443,400.06, 611,894.52 and 242,196.06

Step by Step Solution

1. Step 1: Write the proportion equation
   443,400.06 : 611,894.52 = 242,196.06 : x
2. Step 2: Convert to fraction form
   443,400.06/611,894.52 = 242,196.06/x
3. Step 3: Cross multiply
   443,400.06x = 611,894.52 × 242,196.06
4. Step 4: Simplify right side
   443,400.06x = 148,198,441,879.59
5. Step 5: Solve for x
   x = 148,198,441,879.59/443,400.06
6. Step 6: Final answer
   x = 334,231.89