Finding the Fourth Proportional to 16,484.50, 22,748.61 and 9,411.11

Step by Step Solution

1. Step 1: Write the proportion equation
   16,484.50 : 22,748.61 = 9,411.11 : x
2. Step 2: Convert to fraction form
   16,484.50/22,748.61 = 9,411.11/x
3. Step 3: Cross multiply
   16,484.50x = 22,748.61 × 9,411.11
4. Step 4: Simplify right side
   16,484.50x = 214,089,671.06
5. Step 5: Solve for x
   x = 214,089,671.06/16,484.50
6. Step 6: Final answer
   x = 12,987.33