Finding the Fourth Proportional to 103,669.30, 155,523.15 and 33,550.90

Step by Step Solution

1. Step 1: Write the proportion equation
   103,669.30 : 155,523.15 = 33,550.90 : x
2. Step 2: Convert to fraction form
   103,669.30/155,523.15 = 33,550.90/x
3. Step 3: Cross multiply
   103,669.30x = 155,523.15 × 33,550.90
4. Step 4: Simplify right side
   103,669.30x = 5,217,941,653.34
5. Step 5: Solve for x
   x = 5,217,941,653.34/103,669.30
6. Step 6: Final answer
   x = 50,332.56