Finding the Fourth Proportional to 23,430.15, 32,333.33 and 12,819.67

Step by Step Solution

1. Step 1: Write the proportion equation
   23,430.15 : 32,333.33 = 12,819.67 : x
2. Step 2: Convert to fraction form
   23,430.15/32,333.33 = 12,819.67/x
3. Step 3: Cross multiply
   23,430.15x = 32,333.33 × 12,819.67
4. Step 4: Simplify right side
   23,430.15x = 414,502,571.82
5. Step 5: Solve for x
   x = 414,502,571.82/23,430.15
6. Step 6: Final answer
   x = 17,690.99