Finding the Fourth Proportional to 443,047.50, 611,405.82 and 273,380.04

Step by Step Solution

1. Step 1: Write the proportion equation
   443,047.50 : 611,405.82 = 273,380.04 : x
2. Step 2: Convert to fraction form
   443,047.50/611,405.82 = 273,380.04/x
3. Step 3: Cross multiply
   443,047.50x = 611,405.82 × 273,380.04
4. Step 4: Simplify right side
   443,047.50x = 167,146,147,527.83
5. Step 5: Solve for x
   x = 167,146,147,527.83/443,047.50
6. Step 6: Final answer
   x = 377,264.62