Finding the Fourth Proportional to 6,667.08, 9,989.64 and 4,326.96

Step by Step Solution

1. Step 1: Write the proportion equation
   6,667.08 : 9,989.64 = 4,326.96 : x
2. Step 2: Convert to fraction form
   6,667.08/9,989.64 = 4,326.96/x
3. Step 3: Cross multiply
   6,667.08x = 9,989.64 × 4,326.96
4. Step 4: Simplify right side
   6,667.08x = 43,224,772.69
5. Step 5: Solve for x
   x = 43,224,772.69/6,667.08
6. Step 6: Final answer
   x = 6,483.31