Finding the Fourth Proportional to 23,607.12, 32,577.12 and 12,996.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,607.12 : 32,577.12 = 12,996.72 : x
2. Step 2: Convert to fraction form
   23,607.12/32,577.12 = 12,996.72/x
3. Step 3: Cross multiply
   23,607.12x = 32,577.12 × 12,996.72
4. Step 4: Simplify right side
   23,607.12x = 423,395,707.05
5. Step 5: Solve for x
   x = 423,395,707.05/23,607.12
6. Step 6: Final answer
   x = 17,935.09