Finding the Fourth Proportional to 103,439.70, 155,145.15 and 33,326.10

Step by Step Solution

1. Step 1: Write the proportion equation
   103,439.70 : 155,145.15 = 33,326.10 : x
2. Step 2: Convert to fraction form
   103,439.70/155,145.15 = 33,326.10/x
3. Step 3: Cross multiply
   103,439.70x = 155,145.15 × 33,326.10
4. Step 4: Simplify right side
   103,439.70x = 5,170,382,783.42
5. Step 5: Solve for x
   x = 5,170,382,783.42/103,439.70
6. Step 6: Final answer
   x = 49,984.51