Finding the Fourth Proportional to 12,017.31, 16,584.83 and 8,845.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,017.31 : 16,584.83 = 8,845.16 : x
2. Step 2: Convert to fraction form
   12,017.31/16,584.83 = 8,845.16/x
3. Step 3: Cross multiply
   12,017.31x = 16,584.83 × 8,845.16
4. Step 4: Simplify right side
   12,017.31x = 146,695,347.77
5. Step 5: Solve for x
   x = 146,695,347.77/12,017.31
6. Step 6: Final answer
   x = 12,207.00