Finding the Fourth Proportional to 23,297.09, 32,150.35 and 12,686.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,297.09 : 32,150.35 = 12,686.72 : x
2. Step 2: Convert to fraction form
   23,297.09/32,150.35 = 12,686.72/x
3. Step 3: Cross multiply
   23,297.09x = 32,150.35 × 12,686.72
4. Step 4: Simplify right side
   23,297.09x = 407,882,343.46
5. Step 5: Solve for x
   x = 407,882,343.46/23,297.09
6. Step 6: Final answer
   x = 17,507.86