Finding the Fourth Proportional to 23,650.89, 32,638.47 and 13,040.91

Step by Step Solution

1. Step 1: Write the proportion equation
   23,650.89 : 32,638.47 = 13,040.91 : x
2. Step 2: Convert to fraction form
   23,650.89/32,638.47 = 13,040.91/x
3. Step 3: Cross multiply
   23,650.89x = 32,638.47 × 13,040.91
4. Step 4: Simplify right side
   23,650.89x = 425,635,349.81
5. Step 5: Solve for x
   x = 425,635,349.81/23,650.89
6. Step 6: Final answer
   x = 17,996.59