Finding the Fourth Proportional to 23,645.72, 32,631.32 and 13,035.74

Step by Step Solution

1. Step 1: Write the proportion equation
   23,645.72 : 32,631.32 = 13,035.74 : x
2. Step 2: Convert to fraction form
   23,645.72/32,631.32 = 13,035.74/x
3. Step 3: Cross multiply
   23,645.72x = 32,631.32 × 13,035.74
4. Step 4: Simplify right side
   23,645.72x = 425,373,175.04
5. Step 5: Solve for x
   x = 425,373,175.04/23,645.72
6. Step 6: Final answer
   x = 17,989.44