Finding the Fourth Proportional to 23,873.30, 32,945.30 and 13,118.05

Step by Step Solution

1. Step 1: Write the proportion equation
   23,873.30 : 32,945.30 = 13,118.05 : x
2. Step 2: Convert to fraction form
   23,873.30/32,945.30 = 13,118.05/x
3. Step 3: Cross multiply
   23,873.30x = 32,945.30 × 13,118.05
4. Step 4: Simplify right side
   23,873.30x = 432,178,117.45
5. Step 5: Solve for x
   x = 432,178,117.45/23,873.30
6. Step 6: Final answer
   x = 18,102.99