Finding the Fourth Proportional to 23,539.50, 32,484.54 and 12,929.34

Step by Step Solution

1. Step 1: Write the proportion equation
   23,539.50 : 32,484.54 = 12,929.34 : x
2. Step 2: Convert to fraction form
   23,539.50/32,484.54 = 12,929.34/x
3. Step 3: Cross multiply
   23,539.50x = 32,484.54 × 12,929.34
4. Step 4: Simplify right side
   23,539.50x = 420,003,662.40
5. Step 5: Solve for x
   x = 420,003,662.40/23,539.50
6. Step 6: Final answer
   x = 17,842.51