Finding the Fourth Proportional to 23,974.32, 33,085.08 and 13,365

Step by Step Solution

1. Step 1: Write the proportion equation
   23,974.32 : 33,085.08 = 13,365 : x
2. Step 2: Convert to fraction form
   23,974.32/33,085.08 = 13,365/x
3. Step 3: Cross multiply
   23,974.32x = 33,085.08 × 13,365
4. Step 4: Simplify right side
   23,974.32x = 442,182,094.20
5. Step 5: Solve for x
   x = 442,182,094.20/23,974.32
6. Step 6: Final answer
   x = 18,443.99