Finding the Fourth Proportional to 83,491.32, 125,249.94 and 28,083

Step by Step Solution

1. Step 1: Write the proportion equation
   83,491.32 : 125,249.94 = 28,083 : x
2. Step 2: Convert to fraction form
   83,491.32/125,249.94 = 28,083/x
3. Step 3: Cross multiply
   83,491.32x = 125,249.94 × 28,083
4. Step 4: Simplify right side
   83,491.32x = 3,517,394,065.02
5. Step 5: Solve for x
   x = 3,517,394,065.02/83,491.32
6. Step 6: Final answer
   x = 42,128.86