Finding the Fourth Proportional to 23,009.58, 34,452.83 and 13,135.28

Step by Step Solution

1. Step 1: Write the proportion equation
   23,009.58 : 34,452.83 = 13,135.28 : x
2. Step 2: Convert to fraction form
   23,009.58/34,452.83 = 13,135.28/x
3. Step 3: Cross multiply
   23,009.58x = 34,452.83 × 13,135.28
4. Step 4: Simplify right side
   23,009.58x = 452,547,429.42
5. Step 5: Solve for x
   x = 452,547,429.42/23,009.58
6. Step 6: Final answer
   x = 19,667.78