Finding the Fourth Proportional to 103,419.10, 155,155.65 and 33,300.10

Step by Step Solution

1. Step 1: Write the proportion equation
   103,419.10 : 155,155.65 = 33,300.10 : x
2. Step 2: Convert to fraction form
   103,419.10/155,155.65 = 33,300.10/x
3. Step 3: Cross multiply
   103,419.10x = 155,155.65 × 33,300.10
4. Step 4: Simplify right side
   103,419.10x = 5,166,698,660.57
5. Step 5: Solve for x
   x = 5,166,698,660.57/103,419.10
6. Step 6: Final answer
   x = 49,958.84