Finding the Fourth Proportional to 30,057.34, 41,471.67 and 19,434.19

Step by Step Solution

1. Step 1: Write the proportion equation
   30,057.34 : 41,471.67 = 19,434.19 : x
2. Step 2: Convert to fraction form
   30,057.34/41,471.67 = 19,434.19/x
3. Step 3: Cross multiply
   30,057.34x = 41,471.67 × 19,434.19
4. Step 4: Simplify right side
   30,057.34x = 805,968,210.72
5. Step 5: Solve for x
   x = 805,968,210.72/30,057.34
6. Step 6: Final answer
   x = 26,814.36