Finding the Fourth Proportional to 23,653, 32,640.33 and 13,042

Step by Step Solution

1. Step 1: Write the proportion equation
   23,653 : 32,640.33 = 13,042 : x
2. Step 2: Convert to fraction form
   23,653/32,640.33 = 13,042/x
3. Step 3: Cross multiply
   23,653x = 32,640.33 × 13,042
4. Step 4: Simplify right side
   23,653x = 425,695,183.86
5. Step 5: Solve for x
   x = 425,695,183.86/23,653
6. Step 6: Final answer
   x = 17,997.51