Finding the Fourth Proportional to 22,401.63, 30,903.90 and 13,433.58

Step by Step Solution

1. Step 1: Write the proportion equation
   22,401.63 : 30,903.90 = 13,433.58 : x
2. Step 2: Convert to fraction form
   22,401.63/30,903.90 = 13,433.58/x
3. Step 3: Cross multiply
   22,401.63x = 30,903.90 × 13,433.58
4. Step 4: Simplify right side
   22,401.63x = 415,150,012.96
5. Step 5: Solve for x
   x = 415,150,012.96/22,401.63
6. Step 6: Final answer
   x = 18,532.13