Finding the Fourth Proportional to 443,598.57, 612,178.71 and 247,369.59

Step by Step Solution

1. Step 1: Write the proportion equation
   443,598.57 : 612,178.71 = 247,369.59 : x
2. Step 2: Convert to fraction form
   443,598.57/612,178.71 = 247,369.59/x
3. Step 3: Cross multiply
   443,598.57x = 612,178.71 × 247,369.59
4. Step 4: Simplify right side
   443,598.57x = 151,434,396,499.43
5. Step 5: Solve for x
   x = 151,434,396,499.43/443,598.57
6. Step 6: Final answer
   x = 341,377.11