Finding the Fourth Proportional to 441,111.52, 661,382.82 and 188,556.76

Step by Step Solution

1. Step 1: Write the proportion equation
   441,111.52 : 661,382.82 = 188,556.76 : x
2. Step 2: Convert to fraction form
   441,111.52/661,382.82 = 188,556.76/x
3. Step 3: Cross multiply
   441,111.52x = 661,382.82 × 188,556.76
4. Step 4: Simplify right side
   441,111.52x = 124,708,201,658.86
5. Step 5: Solve for x
   x = 124,708,201,658.86/441,111.52
6. Step 6: Final answer
   x = 282,713.55