Finding the Fourth Proportional to 9,612, 13,264.62 and 5,886

Step by Step Solution

1. Step 1: Write the proportion equation
   9,612 : 13,264.62 = 5,886 : x
2. Step 2: Convert to fraction form
   9,612/13,264.62 = 5,886/x
3. Step 3: Cross multiply
   9,612x = 13,264.62 × 5,886
4. Step 4: Simplify right side
   9,612x = 78,075,553.32
5. Step 5: Solve for x
   x = 78,075,553.32/9,612
6. Step 6: Final answer
   x = 8,122.72