Finding the Fourth Proportional to 50,300.89, 69,417.11 and 30,161.05

Step by Step Solution

1. Step 1: Write the proportion equation
   50,300.89 : 69,417.11 = 30,161.05 : x
2. Step 2: Convert to fraction form
   50,300.89/69,417.11 = 30,161.05/x
3. Step 3: Cross multiply
   50,300.89x = 69,417.11 × 30,161.05
4. Step 4: Simplify right side
   50,300.89x = 2,093,692,925.57
5. Step 5: Solve for x
   x = 2,093,692,925.57/50,300.89
6. Step 6: Final answer
   x = 41,623.38