Finding the Fourth Proportional to 23,240.15, 32,071.59 and 12,629.78

Step by Step Solution

1. Step 1: Write the proportion equation
   23,240.15 : 32,071.59 = 12,629.78 : x
2. Step 2: Convert to fraction form
   23,240.15/32,071.59 = 12,629.78/x
3. Step 3: Cross multiply
   23,240.15x = 32,071.59 × 12,629.78
4. Step 4: Simplify right side
   23,240.15x = 405,056,965.59
5. Step 5: Solve for x
   x = 405,056,965.59/23,240.15
6. Step 6: Final answer
   x = 17,429.19