Finding the Fourth Proportional to 23,430.29, 32,334.27 and 12,820.15

Step by Step Solution

1. Step 1: Write the proportion equation
   23,430.29 : 32,334.27 = 12,820.15 : x
2. Step 2: Convert to fraction form
   23,430.29/32,334.27 = 12,820.15/x
3. Step 3: Cross multiply
   23,430.29x = 32,334.27 × 12,820.15
4. Step 4: Simplify right side
   23,430.29x = 414,530,127.44
5. Step 5: Solve for x
   x = 414,530,127.44/23,430.29
6. Step 6: Final answer
   x = 17,692.06