Finding the Fourth Proportional to 23,699.37, 32,705.13 and 13,089

Step by Step Solution

1. Step 1: Write the proportion equation
   23,699.37 : 32,705.13 = 13,089 : x
2. Step 2: Convert to fraction form
   23,699.37/32,705.13 = 13,089/x
3. Step 3: Cross multiply
   23,699.37x = 32,705.13 × 13,089
4. Step 4: Simplify right side
   23,699.37x = 428,077,446.57
5. Step 5: Solve for x
   x = 428,077,446.57/23,699.37
6. Step 6: Final answer
   x = 18,062.82