Finding the Fourth Proportional to 23,607.32, 32,578.74 and 12,997.60

Step by Step Solution

1. Step 1: Write the proportion equation
   23,607.32 : 32,578.74 = 12,997.60 : x
2. Step 2: Convert to fraction form
   23,607.32/32,578.74 = 12,997.60/x
3. Step 3: Cross multiply
   23,607.32x = 32,578.74 × 12,997.60
4. Step 4: Simplify right side
   23,607.32x = 423,445,431.02
5. Step 5: Solve for x
   x = 423,445,431.02/23,607.32
6. Step 6: Final answer
   x = 17,937.04