Finding the Fourth Proportional to 22,554.41, 31,123.80 and 12,482.25

Step by Step Solution

1. Step 1: Write the proportion equation
   22,554.41 : 31,123.80 = 12,482.25 : x
2. Step 2: Convert to fraction form
   22,554.41/31,123.80 = 12,482.25/x
3. Step 3: Cross multiply
   22,554.41x = 31,123.80 × 12,482.25
4. Step 4: Simplify right side
   22,554.41x = 388,494,834.52
5. Step 5: Solve for x
   x = 388,494,834.52/22,554.41
6. Step 6: Final answer
   x = 17,224.79