Finding the Fourth Proportional to 23,649.72, 32,636.84 and 13,039.74

Step by Step Solution

1. Step 1: Write the proportion equation
   23,649.72 : 32,636.84 = 13,039.74 : x
2. Step 2: Convert to fraction form
   23,649.72/32,636.84 = 13,039.74/x
3. Step 3: Cross multiply
   23,649.72x = 32,636.84 × 13,039.74
4. Step 4: Simplify right side
   23,649.72x = 425,575,908.02
5. Step 5: Solve for x
   x = 425,575,908.02/23,649.72
6. Step 6: Final answer
   x = 17,994.97