Finding the Fourth Proportional to 11,483.16, 17,210.05 and 9,996.30

Step by Step Solution

1. Step 1: Write the proportion equation
   11,483.16 : 17,210.05 = 9,996.30 : x
2. Step 2: Convert to fraction form
   11,483.16/17,210.05 = 9,996.30/x
3. Step 3: Cross multiply
   11,483.16x = 17,210.05 × 9,996.30
4. Step 4: Simplify right side
   11,483.16x = 172,036,822.82
5. Step 5: Solve for x
   x = 172,036,822.82/11,483.16
6. Step 6: Final answer
   x = 14,981.66