Finding the Fourth Proportional to 4,072.14, 6,109.05 and 2,123.82

Step by Step Solution

1. Step 1: Write the proportion equation
   4,072.14 : 6,109.05 = 2,123.82 : x
2. Step 2: Convert to fraction form
   4,072.14/6,109.05 = 2,123.82/x
3. Step 3: Cross multiply
   4,072.14x = 6,109.05 × 2,123.82
4. Step 4: Simplify right side
   4,072.14x = 12,974,522.57
5. Step 5: Solve for x
   x = 12,974,522.57/4,072.14
6. Step 6: Final answer
   x = 3,186.17