Finding the Fourth Proportional to 16,432.84, 22,683.18 and 9,720.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,432.84 : 22,683.18 = 9,720.82 : x
2. Step 2: Convert to fraction form
   16,432.84/22,683.18 = 9,720.82/x
3. Step 3: Cross multiply
   16,432.84x = 22,683.18 × 9,720.82
4. Step 4: Simplify right side
   16,432.84x = 220,499,109.81
5. Step 5: Solve for x
   x = 220,499,109.81/16,432.84
6. Step 6: Final answer
   x = 13,418.20