Finding the Fourth Proportional to 8,667.63, 13,010.43 and 5,338.26

Step by Step Solution

1. Step 1: Write the proportion equation
   8,667.63 : 13,010.43 = 5,338.26 : x
2. Step 2: Convert to fraction form
   8,667.63/13,010.43 = 5,338.26/x
3. Step 3: Cross multiply
   8,667.63x = 13,010.43 × 5,338.26
4. Step 4: Simplify right side
   8,667.63x = 69,453,058.05
5. Step 5: Solve for x
   x = 69,453,058.05/8,667.63
6. Step 6: Final answer
   x = 8,012.92