Finding the Fourth Proportional to 443,150.82, 611,476.02 and 261,837.54

Step by Step Solution

1. Step 1: Write the proportion equation
   443,150.82 : 611,476.02 = 261,837.54 : x
2. Step 2: Convert to fraction form
   443,150.82/611,476.02 = 261,837.54/x
3. Step 3: Cross multiply
   443,150.82x = 611,476.02 × 261,837.54
4. Step 4: Simplify right side
   443,150.82x = 160,107,376,845.79
5. Step 5: Solve for x
   x = 160,107,376,845.79/443,150.82
6. Step 6: Final answer
   x = 361,293.20