Finding the Fourth Proportional to 23,870.04, 32,940.18 and 13,259.32

Step by Step Solution

1. Step 1: Write the proportion equation
   23,870.04 : 32,940.18 = 13,259.32 : x
2. Step 2: Convert to fraction form
   23,870.04/32,940.18 = 13,259.32/x
3. Step 3: Cross multiply
   23,870.04x = 32,940.18 × 13,259.32
4. Step 4: Simplify right side
   23,870.04x = 436,764,387.48
5. Step 5: Solve for x
   x = 436,764,387.48/23,870.04
6. Step 6: Final answer
   x = 18,297.60