Finding the Fourth Proportional to 20,061.05, 30,091.72 and 5,269.94

Step by Step Solution

1. Step 1: Write the proportion equation
   20,061.05 : 30,091.72 = 5,269.94 : x
2. Step 2: Convert to fraction form
   20,061.05/30,091.72 = 5,269.94/x
3. Step 3: Cross multiply
   20,061.05x = 30,091.72 × 5,269.94
4. Step 4: Simplify right side
   20,061.05x = 158,581,395.26
5. Step 5: Solve for x
   x = 158,581,395.26/20,061.05
6. Step 6: Final answer
   x = 7,904.94