Finding the Fourth Proportional to 269,591.54, 404,372.72 and 82,603.58

Step by Step Solution

1. Step 1: Write the proportion equation
   269,591.54 : 404,372.72 = 82,603.58 : x
2. Step 2: Convert to fraction form
   269,591.54/404,372.72 = 82,603.58/x
3. Step 3: Cross multiply
   269,591.54x = 404,372.72 × 82,603.58
4. Step 4: Simplify right side
   269,591.54x = 33,402,634,326.34
5. Step 5: Solve for x
   x = 33,402,634,326.34/269,591.54
6. Step 6: Final answer
   x = 123,900.90