Finding the Fourth Proportional to 443,151.82, 611,477.40 and 261,838.54

Step by Step Solution

1. Step 1: Write the proportion equation
   443,151.82 : 611,477.40 = 261,838.54 : x
2. Step 2: Convert to fraction form
   443,151.82/611,477.40 = 261,838.54/x
3. Step 3: Cross multiply
   443,151.82x = 611,477.40 × 261,838.54
4. Step 4: Simplify right side
   443,151.82x = 160,108,349,659.00
5. Step 5: Solve for x
   x = 160,108,349,659.00/443,151.82
6. Step 6: Final answer
   x = 361,294.58