Finding the Fourth Proportional to 23,605.56, 32,577.12 and 12,997.53

Step by Step Solution

1. Step 1: Write the proportion equation
   23,605.56 : 32,577.12 = 12,997.53 : x
2. Step 2: Convert to fraction form
   23,605.56/32,577.12 = 12,997.53/x
3. Step 3: Cross multiply
   23,605.56x = 32,577.12 × 12,997.53
4. Step 4: Simplify right side
   23,605.56x = 423,422,094.51
5. Step 5: Solve for x
   x = 423,422,094.51/23,605.56
6. Step 6: Final answer
   x = 17,937.39