Finding the Fourth Proportional to 12,084.21, 16,672.10 and 7,838.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,084.21 : 16,672.10 = 7,838.52 : x
2. Step 2: Convert to fraction form
   12,084.21/16,672.10 = 7,838.52/x
3. Step 3: Cross multiply
   12,084.21x = 16,672.10 × 7,838.52
4. Step 4: Simplify right side
   12,084.21x = 130,684,550.10
5. Step 5: Solve for x
   x = 130,684,550.10/12,084.21
6. Step 6: Final answer
   x = 10,814.49