Finding the Fourth Proportional to 16,592.36, 22,899.12 and 9,521

Step by Step Solution

1. Step 1: Write the proportion equation
   16,592.36 : 22,899.12 = 9,521 : x
2. Step 2: Convert to fraction form
   16,592.36/22,899.12 = 9,521/x
3. Step 3: Cross multiply
   16,592.36x = 22,899.12 × 9,521
4. Step 4: Simplify right side
   16,592.36x = 218,022,521.52
5. Step 5: Solve for x
   x = 218,022,521.52/16,592.36
6. Step 6: Final answer
   x = 13,139.93