Finding the Fourth Proportional to 23,729.72, 32,746.54 and 13,119.12

Step by Step Solution

1. Step 1: Write the proportion equation
   23,729.72 : 32,746.54 = 13,119.12 : x
2. Step 2: Convert to fraction form
   23,729.72/32,746.54 = 13,119.12/x
3. Step 3: Cross multiply
   23,729.72x = 32,746.54 × 13,119.12
4. Step 4: Simplify right side
   23,729.72x = 429,605,787.84
5. Step 5: Solve for x
   x = 429,605,787.84/23,729.72
6. Step 6: Final answer
   x = 18,104.12