Finding the Fourth Proportional to 22,112.56, 30,515.88 and 13,611.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,112.56 : 30,515.88 = 13,611.52 : x
2. Step 2: Convert to fraction form
   22,112.56/30,515.88 = 13,611.52/x
3. Step 3: Cross multiply
   22,112.56x = 30,515.88 × 13,611.52
4. Step 4: Simplify right side
   22,112.56x = 415,367,510.94
5. Step 5: Solve for x
   x = 415,367,510.94/22,112.56
6. Step 6: Final answer
   x = 18,784.23