Finding the Fourth Proportional to 16,557.22, 22,849.86 and 9,483.40

Step by Step Solution

1. Step 1: Write the proportion equation
   16,557.22 : 22,849.86 = 9,483.40 : x
2. Step 2: Convert to fraction form
   16,557.22/22,849.86 = 9,483.40/x
3. Step 3: Cross multiply
   16,557.22x = 22,849.86 × 9,483.40
4. Step 4: Simplify right side
   16,557.22x = 216,694,362.32
5. Step 5: Solve for x
   x = 216,694,362.32/16,557.22
6. Step 6: Final answer
   x = 13,087.61