Finding the Fourth Proportional to 22,002.30, 30,357.32 and 13,042.35

Step by Step Solution

1. Step 1: Write the proportion equation
   22,002.30 : 30,357.32 = 13,042.35 : x
2. Step 2: Convert to fraction form
   22,002.30/30,357.32 = 13,042.35/x
3. Step 3: Cross multiply
   22,002.30x = 30,357.32 × 13,042.35
4. Step 4: Simplify right side
   22,002.30x = 395,930,727.29
5. Step 5: Solve for x
   x = 395,930,727.29/22,002.30
6. Step 6: Final answer
   x = 17,994.97