Finding the Fourth Proportional to 7,667.80, 10,580.99 and 4,309.96

Step by Step Solution

1. Step 1: Write the proportion equation
   7,667.80 : 10,580.99 = 4,309.96 : x
2. Step 2: Convert to fraction form
   7,667.80/10,580.99 = 4,309.96/x
3. Step 3: Cross multiply
   7,667.80x = 10,580.99 × 4,309.96
4. Step 4: Simplify right side
   7,667.80x = 45,603,643.66
5. Step 5: Solve for x
   x = 45,603,643.66/7,667.80
6. Step 6: Final answer
   x = 5,947.42