Finding the Fourth Proportional to 8,146.47, 12,169.15 and 5,907.53

Step by Step Solution

1. Step 1: Write the proportion equation
   8,146.47 : 12,169.15 = 5,907.53 : x
2. Step 2: Convert to fraction form
   8,146.47/12,169.15 = 5,907.53/x
3. Step 3: Cross multiply
   8,146.47x = 12,169.15 × 5,907.53
4. Step 4: Simplify right side
   8,146.47x = 71,889,557.85
5. Step 5: Solve for x
   x = 71,889,557.85/8,146.47
6. Step 6: Final answer
   x = 8,824.63