Finding the Fourth Proportional to 13,320, 19,980 and 3,592

Step by Step Solution

1. Step 1: Write the proportion equation
   13,320 : 19,980 = 3,592 : x
2. Step 2: Convert to fraction form
   13,320/19,980 = 3,592/x
3. Step 3: Cross multiply
   13,320x = 19,980 × 3,592
4. Step 4: Simplify right side
   13,320x = 71,768,160
5. Step 5: Solve for x
   x = 71,768,160/13,320
6. Step 6: Final answer
   x = 5,388