Finding the Fourth Proportional to 30,848.82, 42,572.73 and 17,420.19

Step by Step Solution

1. Step 1: Write the proportion equation
   30,848.82 : 42,572.73 = 17,420.19 : x
2. Step 2: Convert to fraction form
   30,848.82/42,572.73 = 17,420.19/x
3. Step 3: Cross multiply
   30,848.82x = 42,572.73 × 17,420.19
4. Step 4: Simplify right side
   30,848.82x = 741,625,045.42
5. Step 5: Solve for x
   x = 741,625,045.42/30,848.82
6. Step 6: Final answer
   x = 24,040.63