Finding the Fourth Proportional to 11,929.02, 16,407.27 and 9,565.98

Step by Step Solution

1. Step 1: Write the proportion equation
   11,929.02 : 16,407.27 = 9,565.98 : x
2. Step 2: Convert to fraction form
   11,929.02/16,407.27 = 9,565.98/x
3. Step 3: Cross multiply
   11,929.02x = 16,407.27 × 9,565.98
4. Step 4: Simplify right side
   11,929.02x = 156,951,616.67
5. Step 5: Solve for x
   x = 156,951,616.67/11,929.02
6. Step 6: Final answer
   x = 13,157.13