Finding the Fourth Proportional to 23,774.67, 32,809.56 and 13,020

Step by Step Solution

1. Step 1: Write the proportion equation
   23,774.67 : 32,809.56 = 13,020 : x
2. Step 2: Convert to fraction form
   23,774.67/32,809.56 = 13,020/x
3. Step 3: Cross multiply
   23,774.67x = 32,809.56 × 13,020
4. Step 4: Simplify right side
   23,774.67x = 427,180,471.20
5. Step 5: Solve for x
   x = 427,180,471.20/23,774.67
6. Step 6: Final answer
   x = 17,967.88