Finding the Fourth Proportional to 16,185.31, 22,342.61 and 10,883.20

Step by Step Solution

1. Step 1: Write the proportion equation
   16,185.31 : 22,342.61 = 10,883.20 : x
2. Step 2: Convert to fraction form
   16,185.31/22,342.61 = 10,883.20/x
3. Step 3: Cross multiply
   16,185.31x = 22,342.61 × 10,883.20
4. Step 4: Simplify right side
   16,185.31x = 243,159,093.15
5. Step 5: Solve for x
   x = 243,159,093.15/16,185.31
6. Step 6: Final answer
   x = 15,023.44