Finding the Fourth Proportional to 9,665.12, 14,490.59 and 3,087.51

Step by Step Solution

1. Step 1: Write the proportion equation
   9,665.12 : 14,490.59 = 3,087.51 : x
2. Step 2: Convert to fraction form
   9,665.12/14,490.59 = 3,087.51/x
3. Step 3: Cross multiply
   9,665.12x = 14,490.59 × 3,087.51
4. Step 4: Simplify right side
   9,665.12x = 44,739,826.09
5. Step 5: Solve for x
   x = 44,739,826.09/9,665.12
6. Step 6: Final answer
   x = 4,629.00