Finding the Fourth Proportional to 23,405.86, 32,300.66 and 12,796.28

Step by Step Solution

1. Step 1: Write the proportion equation
   23,405.86 : 32,300.66 = 12,796.28 : x
2. Step 2: Convert to fraction form
   23,405.86/32,300.66 = 12,796.28/x
3. Step 3: Cross multiply
   23,405.86x = 32,300.66 × 12,796.28
4. Step 4: Simplify right side
   23,405.86x = 413,328,064.06
5. Step 5: Solve for x
   x = 413,328,064.06/23,405.86
6. Step 6: Final answer
   x = 17,659.17