Finding the Fourth Proportional to 103,978.89, 155,979.27 and 33,863.67

Step by Step Solution

1. Step 1: Write the proportion equation
   103,978.89 : 155,979.27 = 33,863.67 : x
2. Step 2: Convert to fraction form
   103,978.89/155,979.27 = 33,863.67/x
3. Step 3: Cross multiply
   103,978.89x = 155,979.27 × 33,863.67
4. Step 4: Simplify right side
   103,978.89x = 5,282,030,526.12
5. Step 5: Solve for x
   x = 5,282,030,526.12/103,978.89
6. Step 6: Final answer
   x = 50,799.07