Finding the Fourth Proportional to 22,375.50, 33,561.50 and 13,009.55

Step by Step Solution

1. Step 1: Write the proportion equation
   22,375.50 : 33,561.50 = 13,009.55 : x
2. Step 2: Convert to fraction form
   22,375.50/33,561.50 = 13,009.55/x
3. Step 3: Cross multiply
   22,375.50x = 33,561.50 × 13,009.55
4. Step 4: Simplify right side
   22,375.50x = 436,619,779.47
5. Step 5: Solve for x
   x = 436,619,779.47/22,375.50
6. Step 6: Final answer
   x = 19,513.30