Finding the Fourth Proportional to 443,814, 612,463.32 and 242,610

Step by Step Solution

1. Step 1: Write the proportion equation
   443,814 : 612,463.32 = 242,610 : x
2. Step 2: Convert to fraction form
   443,814/612,463.32 = 242,610/x
3. Step 3: Cross multiply
   443,814x = 612,463.32 × 242,610
4. Step 4: Simplify right side
   443,814x = 148,589,726,065.20
5. Step 5: Solve for x
   x = 148,589,726,065.20/443,814
6. Step 6: Final answer
   x = 334,801.80