Finding the Fourth Proportional to 30,902.80, 42,648.52 and 17,476.44

Step by Step Solution

1. Step 1: Write the proportion equation
   30,902.80 : 42,648.52 = 17,476.44 : x
2. Step 2: Convert to fraction form
   30,902.80/42,648.52 = 17,476.44/x
3. Step 3: Cross multiply
   30,902.80x = 42,648.52 × 17,476.44
4. Step 4: Simplify right side
   30,902.80x = 745,344,300.87
5. Step 5: Solve for x
   x = 745,344,300.87/30,902.80
6. Step 6: Final answer
   x = 24,118.99