Finding the Fourth Proportional to 30,467.54, 42,047.30 and 17,038.96

Step by Step Solution

1. Step 1: Write the proportion equation
   30,467.54 : 42,047.30 = 17,038.96 : x
2. Step 2: Convert to fraction form
   30,467.54/42,047.30 = 17,038.96/x
3. Step 3: Cross multiply
   30,467.54x = 42,047.30 × 17,038.96
4. Step 4: Simplify right side
   30,467.54x = 716,442,200.29
5. Step 5: Solve for x
   x = 716,442,200.29/30,467.54
6. Step 6: Final answer
   x = 23,514.93