Finding the Fourth Proportional to 13,317.02, 19,976.28 and 3,456.04

Step by Step Solution

1. Step 1: Write the proportion equation
   13,317.02 : 19,976.28 = 3,456.04 : x
2. Step 2: Convert to fraction form
   13,317.02/19,976.28 = 3,456.04/x
3. Step 3: Cross multiply
   13,317.02x = 19,976.28 × 3,456.04
4. Step 4: Simplify right side
   13,317.02x = 69,038,722.85
5. Step 5: Solve for x
   x = 69,038,722.85/13,317.02
6. Step 6: Final answer
   x = 5,184.25