Finding the Fourth Proportional to 103,410.10, 155,142.15 and 33,291.10

Step by Step Solution

1. Step 1: Write the proportion equation
   103,410.10 : 155,142.15 = 33,291.10 : x
2. Step 2: Convert to fraction form
   103,410.10/155,142.15 = 33,291.10/x
3. Step 3: Cross multiply
   103,410.10x = 155,142.15 × 33,291.10
4. Step 4: Simplify right side
   103,410.10x = 5,164,852,829.87
5. Step 5: Solve for x
   x = 5,164,852,829.87/103,410.10
6. Step 6: Final answer
   x = 49,945.34