Finding the Fourth Proportional to 83,491.82, 125,250.69 and 28,083.50

Step by Step Solution

1. Step 1: Write the proportion equation
   83,491.82 : 125,250.69 = 28,083.50 : x
2. Step 2: Convert to fraction form
   83,491.82/125,250.69 = 28,083.50/x
3. Step 3: Cross multiply
   83,491.82x = 125,250.69 × 28,083.50
4. Step 4: Simplify right side
   83,491.82x = 3,517,477,752.62
5. Step 5: Solve for x
   x = 3,517,477,752.62/83,491.82
6. Step 6: Final answer
   x = 42,129.61