Finding the Fourth Proportional to 30,042, 41,443.56 and 19,434.96

Step by Step Solution

1. Step 1: Write the proportion equation
   30,042 : 41,443.56 = 19,434.96 : x
2. Step 2: Convert to fraction form
   30,042/41,443.56 = 19,434.96/x
3. Step 3: Cross multiply
   30,042x = 41,443.56 × 19,434.96
4. Step 4: Simplify right side
   30,042x = 805,453,930.86
5. Step 5: Solve for x
   x = 805,453,930.86/30,042
6. Step 6: Final answer
   x = 26,810.93