Finding the Fourth Proportional to 103,665.30, 155,517.15 and 33,546.90

Step by Step Solution

1. Step 1: Write the proportion equation
   103,665.30 : 155,517.15 = 33,546.90 : x
2. Step 2: Convert to fraction form
   103,665.30/155,517.15 = 33,546.90/x
3. Step 3: Cross multiply
   103,665.30x = 155,517.15 × 33,546.90
4. Step 4: Simplify right side
   103,665.30x = 5,217,118,279.34
5. Step 5: Solve for x
   x = 5,217,118,279.34/103,665.30
6. Step 6: Final answer
   x = 50,326.56