Finding the Fourth Proportional to 443,196.50, 611,612.80 and 241,992.50

Step by Step Solution

1. Step 1: Write the proportion equation
   443,196.50 : 611,612.80 = 241,992.50 : x
2. Step 2: Convert to fraction form
   443,196.50/611,612.80 = 241,992.50/x
3. Step 3: Cross multiply
   443,196.50x = 611,612.80 × 241,992.50
4. Step 4: Simplify right side
   443,196.50x = 148,005,710,504
5. Step 5: Solve for x
   x = 148,005,710,504/443,196.50
6. Step 6: Final answer
   x = 333,950.54