Finding the Fourth Proportional to 23,649.71, 32,636.82 and 13,039.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,649.71 : 32,636.82 = 13,039.72 : x
2. Step 2: Convert to fraction form
   23,649.71/32,636.82 = 13,039.72/x
3. Step 3: Cross multiply
   23,649.71x = 32,636.82 × 13,039.72
4. Step 4: Simplify right side
   23,649.71x = 425,574,994.49
5. Step 5: Solve for x
   x = 425,574,994.49/23,649.71
6. Step 6: Final answer
   x = 17,994.94