Finding the Fourth Proportional to 23,904.48, 35,870.76 and 13,398.24

Step by Step Solution

1. Step 1: Write the proportion equation
   23,904.48 : 35,870.76 = 13,398.24 : x
2. Step 2: Convert to fraction form
   23,904.48/35,870.76 = 13,398.24/x
3. Step 3: Cross multiply
   23,904.48x = 35,870.76 × 13,398.24
4. Step 4: Simplify right side
   23,904.48x = 480,605,051.46
5. Step 5: Solve for x
   x = 480,605,051.46/23,904.48
6. Step 6: Final answer
   x = 20,105.23