Finding the Fourth Proportional to 10,667.12, 16,002.75 and 4,092.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,667.12 : 16,002.75 = 4,092.79 : x
2. Step 2: Convert to fraction form
   10,667.12/16,002.75 = 4,092.79/x
3. Step 3: Cross multiply
   10,667.12x = 16,002.75 × 4,092.79
4. Step 4: Simplify right side
   10,667.12x = 65,495,942.00
5. Step 5: Solve for x
   x = 65,495,942.00/10,667.12
6. Step 6: Final answer
   x = 6,139.98