Finding the Fourth Proportional to 103,300.50, 154,936.20 and 33,170.70

Step by Step Solution

1. Step 1: Write the proportion equation
   103,300.50 : 154,936.20 = 33,170.70 : x
2. Step 2: Convert to fraction form
   103,300.50/154,936.20 = 33,170.70/x
3. Step 3: Cross multiply
   103,300.50x = 154,936.20 × 33,170.70
4. Step 4: Simplify right side
   103,300.50x = 5,139,342,209.34
5. Step 5: Solve for x
   x = 5,139,342,209.34/103,300.50
6. Step 6: Final answer
   x = 49,751.38