Finding the Fourth Proportional to 22,114, 30,517.50 and 12,178

Step by Step Solution

1. Step 1: Write the proportion equation
   22,114 : 30,517.50 = 12,178 : x
2. Step 2: Convert to fraction form
   22,114/30,517.50 = 12,178/x
3. Step 3: Cross multiply
   22,114x = 30,517.50 × 12,178
4. Step 4: Simplify right side
   22,114x = 371,642,115
5. Step 5: Solve for x
   x = 371,642,115/22,114
6. Step 6: Final answer
   x = 16,805.74