Finding the Fourth Proportional to 23,459.84, 32,370.72 and 13,388.30

Step by Step Solution

1. Step 1: Write the proportion equation
   23,459.84 : 32,370.72 = 13,388.30 : x
2. Step 2: Convert to fraction form
   23,459.84/32,370.72 = 13,388.30/x
3. Step 3: Cross multiply
   23,459.84x = 32,370.72 × 13,388.30
4. Step 4: Simplify right side
   23,459.84x = 433,388,910.58
5. Step 5: Solve for x
   x = 433,388,910.58/23,459.84
6. Step 6: Final answer
   x = 18,473.65