Finding the Fourth Proportional to 12,078.30, 16,667.76 and 6,773.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,078.30 : 16,667.76 = 6,773.10 : x
2. Step 2: Convert to fraction form
   12,078.30/16,667.76 = 6,773.10/x
3. Step 3: Cross multiply
   12,078.30x = 16,667.76 × 6,773.10
4. Step 4: Simplify right side
   12,078.30x = 112,892,405.26
5. Step 5: Solve for x
   x = 112,892,405.26/12,078.30
6. Step 6: Final answer
   x = 9,346.71