Finding the Fourth Proportional to 16,293.76, 22,483.98 and 9,486.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,293.76 : 22,483.98 = 9,486.72 : x
2. Step 2: Convert to fraction form
   16,293.76/22,483.98 = 9,486.72/x
3. Step 3: Cross multiply
   16,293.76x = 22,483.98 × 9,486.72
4. Step 4: Simplify right side
   16,293.76x = 213,299,222.75
5. Step 5: Solve for x
   x = 213,299,222.75/16,293.76
6. Step 6: Final answer
   x = 13,090.86