Finding the Fourth Proportional to 22,097.80, 30,488.10 and 13,591

Step by Step Solution

1. Step 1: Write the proportion equation
   22,097.80 : 30,488.10 = 13,591 : x
2. Step 2: Convert to fraction form
   22,097.80/30,488.10 = 13,591/x
3. Step 3: Cross multiply
   22,097.80x = 30,488.10 × 13,591
4. Step 4: Simplify right side
   22,097.80x = 414,363,767.10
5. Step 5: Solve for x
   x = 414,363,767.10/22,097.80
6. Step 6: Final answer
   x = 18,751.36