Finding the Fourth Proportional to 18,494.00, 25,521.72 and 9,996.11

Step by Step Solution

1. Step 1: Write the proportion equation
   18,494.00 : 25,521.72 = 9,996.11 : x
2. Step 2: Convert to fraction form
   18,494.00/25,521.72 = 9,996.11/x
3. Step 3: Cross multiply
   18,494.00x = 25,521.72 × 9,996.11
4. Step 4: Simplify right side
   18,494.00x = 255,117,792.90
5. Step 5: Solve for x
   x = 255,117,792.90/18,494.00
6. Step 6: Final answer
   x = 13,794.63