Finding the Fourth Proportional to 23,700.21, 32,705.61 and 13,089.62

Step by Step Solution

1. Step 1: Write the proportion equation
   23,700.21 : 32,705.61 = 13,089.62 : x
2. Step 2: Convert to fraction form
   23,700.21/32,705.61 = 13,089.62/x
3. Step 3: Cross multiply
   23,700.21x = 32,705.61 × 13,089.62
4. Step 4: Simplify right side
   23,700.21x = 428,103,843.24
5. Step 5: Solve for x
   x = 428,103,843.24/23,700.21
6. Step 6: Final answer
   x = 18,063.29