Finding the Fourth Proportional to 16,484.16, 24,720.42 and 7,123.80

Step by Step Solution

1. Step 1: Write the proportion equation
   16,484.16 : 24,720.42 = 7,123.80 : x
2. Step 2: Convert to fraction form
   16,484.16/24,720.42 = 7,123.80/x
3. Step 3: Cross multiply
   16,484.16x = 24,720.42 × 7,123.80
4. Step 4: Simplify right side
   16,484.16x = 176,103,328.00
5. Step 5: Solve for x
   x = 176,103,328.00/16,484.16
6. Step 6: Final answer
   x = 10,683.18