Finding the Fourth Proportional to 12,584.42, 18,858.72 and 9,271.46

Step by Step Solution

1. Step 1: Write the proportion equation
   12,584.42 : 18,858.72 = 9,271.46 : x
2. Step 2: Convert to fraction form
   12,584.42/18,858.72 = 9,271.46/x
3. Step 3: Cross multiply
   12,584.42x = 18,858.72 × 9,271.46
4. Step 4: Simplify right side
   12,584.42x = 174,847,868.13
5. Step 5: Solve for x
   x = 174,847,868.13/12,584.42
6. Step 6: Final answer
   x = 13,893.99