Finding the Fourth Proportional to 9,990.82, 14,986.82 and 2,595.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,990.82 : 14,986.82 = 2,595.09 : x
2. Step 2: Convert to fraction form
   9,990.82/14,986.82 = 2,595.09/x
3. Step 3: Cross multiply
   9,990.82x = 14,986.82 × 2,595.09
4. Step 4: Simplify right side
   9,990.82x = 38,892,146.71
5. Step 5: Solve for x
   x = 38,892,146.71/9,990.82
6. Step 6: Final answer
   x = 3,892.79