Finding the Fourth Proportional to 23,528.56, 32,467.81 and 12,918.88

Step by Step Solution

1. Step 1: Write the proportion equation
   23,528.56 : 32,467.81 = 12,918.88 : x
2. Step 2: Convert to fraction form
   23,528.56/32,467.81 = 12,918.88/x
3. Step 3: Cross multiply
   23,528.56x = 32,467.81 × 12,918.88
4. Step 4: Simplify right side
   23,528.56x = 419,447,741.25
5. Step 5: Solve for x
   x = 419,447,741.25/23,528.56
6. Step 6: Final answer
   x = 17,827.17