Finding the Fourth Proportional to 16,502.86, 22,773.91 and 9,429.12

Step by Step Solution

1. Step 1: Write the proportion equation
   16,502.86 : 22,773.91 = 9,429.12 : x
2. Step 2: Convert to fraction form
   16,502.86/22,773.91 = 9,429.12/x
3. Step 3: Cross multiply
   16,502.86x = 22,773.91 × 9,429.12
4. Step 4: Simplify right side
   16,502.86x = 214,737,930.26
5. Step 5: Solve for x
   x = 214,737,930.26/16,502.86
6. Step 6: Final answer
   x = 13,012.16