Finding the Fourth Proportional to 9,585.49, 14,379.59 and 3,012.21

Step by Step Solution

1. Step 1: Write the proportion equation
   9,585.49 : 14,379.59 = 3,012.21 : x
2. Step 2: Convert to fraction form
   9,585.49/14,379.59 = 3,012.21/x
3. Step 3: Cross multiply
   9,585.49x = 14,379.59 × 3,012.21
4. Step 4: Simplify right side
   9,585.49x = 43,314,344.79
5. Step 5: Solve for x
   x = 43,314,344.79/9,585.49
6. Step 6: Final answer
   x = 4,518.74