Finding the Fourth Proportional to 16,641.65, 22,965.75 and 9,087.99

Step by Step Solution

1. Step 1: Write the proportion equation
   16,641.65 : 22,965.75 = 9,087.99 : x
2. Step 2: Convert to fraction form
   16,641.65/22,965.75 = 9,087.99/x
3. Step 3: Cross multiply
   16,641.65x = 22,965.75 × 9,087.99
4. Step 4: Simplify right side
   16,641.65x = 208,712,506.34
5. Step 5: Solve for x
   x = 208,712,506.34/16,641.65
6. Step 6: Final answer
   x = 12,541.58