Finding the Fourth Proportional to 103,688.20, 155,498.82 and 33,550.84

Step by Step Solution

1. Step 1: Write the proportion equation
   103,688.20 : 155,498.82 = 33,550.84 : x
2. Step 2: Convert to fraction form
   103,688.20/155,498.82 = 33,550.84/x
3. Step 3: Cross multiply
   103,688.20x = 155,498.82 × 33,550.84
4. Step 4: Simplify right side
   103,688.20x = 5,217,116,030.01
5. Step 5: Solve for x
   x = 5,217,116,030.01/103,688.20
6. Step 6: Final answer
   x = 50,315.43