Finding the Fourth Proportional to 22,096.80, 30,486.72 and 13,590

Step by Step Solution

1. Step 1: Write the proportion equation
   22,096.80 : 30,486.72 = 13,590 : x
2. Step 2: Convert to fraction form
   22,096.80/30,486.72 = 13,590/x
3. Step 3: Cross multiply
   22,096.80x = 30,486.72 × 13,590
4. Step 4: Simplify right side
   22,096.80x = 414,314,524.80
5. Step 5: Solve for x
   x = 414,314,524.80/22,096.80
6. Step 6: Final answer
   x = 18,749.98