Finding the Fourth Proportional to 93,086.38, 139,583.42 and 33,105.86

Step by Step Solution

1. Step 1: Write the proportion equation
   93,086.38 : 139,583.42 = 33,105.86 : x
2. Step 2: Convert to fraction form
   93,086.38/139,583.42 = 33,105.86/x
3. Step 3: Cross multiply
   93,086.38x = 139,583.42 × 33,105.86
4. Step 4: Simplify right side
   93,086.38x = 4,621,029,160.84
5. Step 5: Solve for x
   x = 4,621,029,160.84/93,086.38
6. Step 6: Final answer
   x = 49,642.38