Finding the Fourth Proportional to 23,699.39, 32,705.18 and 13,089.02

Step by Step Solution

1. Step 1: Write the proportion equation
   23,699.39 : 32,705.18 = 13,089.02 : x
2. Step 2: Convert to fraction form
   23,699.39/32,705.18 = 13,089.02/x
3. Step 3: Cross multiply
   23,699.39x = 32,705.18 × 13,089.02
4. Step 4: Simplify right side
   23,699.39x = 428,078,624.32
5. Step 5: Solve for x
   x = 428,078,624.32/23,699.39
6. Step 6: Final answer
   x = 18,062.85